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Posted to commits@hivemall.apache.org by my...@apache.org on 2017/06/23 10:04:09 UTC

[34/41] incubator-hivemall-site git commit: Added descriptions about Feature Pairing in the user guide

http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/ba518dab/userguide/binaryclass/webspam_dataset.html
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diff --git a/userguide/binaryclass/webspam_dataset.html b/userguide/binaryclass/webspam_dataset.html
index 8ca32f7..6394815 100644
--- a/userguide/binaryclass/webspam_dataset.html
+++ b/userguide/binaryclass/webspam_dataset.html
@@ -598,14 +598,30 @@
             
         </li>
     
-        <li class="chapter " data-level="3.5" data-path="../ft_engineering/tfidf.html">
+        <li class="chapter " data-level="3.5" data-path="../ft_engineering/pairing.html">
             
-                <a href="../ft_engineering/tfidf.html">
+                <a href="../ft_engineering/pairing.html">
             
                     
                         <b>3.5.</b>
                     
-                    TF-IDF Calculation
+                    FEATURE PAIRING
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="3.5.1" data-path="../ft_engineering/polynomial.html">
+            
+                <a href="../ft_engineering/polynomial.html">
+            
+                    
+                        <b>3.5.1.</b>
+                    
+                    Polynomial Features
             
                 </a>
             
@@ -613,6 +629,11 @@
             
         </li>
     
+
+            </ul>
+            
+        </li>
+    
         <li class="chapter " data-level="3.6" data-path="../ft_engineering/ft_trans.html">
             
                 <a href="../ft_engineering/ft_trans.html">
@@ -664,6 +685,21 @@
             
         </li>
     
+        <li class="chapter " data-level="3.7" data-path="../ft_engineering/tfidf.html">
+            
+                <a href="../ft_engineering/tfidf.html">
+            
+                    
+                        <b>3.7.</b>
+                    
+                    TF-IDF Calculation
+            
+                </a>
+            
+
+            
+        </li>
+    
 
     
         
@@ -761,7 +797,7 @@
 
     
         
-        <li class="header">Part V - Prediction</li>
+        <li class="header">Part V - Supervised Learning</li>
         
         
     
@@ -780,27 +816,19 @@
             
         </li>
     
-        <li class="chapter " data-level="5.2" data-path="../regression/general.html">
-            
-                <a href="../regression/general.html">
-            
-                    
-                        <b>5.2.</b>
-                    
-                    Regression
-            
-                </a>
-            
 
-            
-        </li>
     
-        <li class="chapter " data-level="5.3" data-path="general.html">
+        
+        <li class="header">Part VI - Binary classification</li>
+        
+        
+    
+        <li class="chapter " data-level="6.1" data-path="general.html">
             
                 <a href="general.html">
             
                     
-                        <b>5.3.</b>
+                        <b>6.1.</b>
                     
                     Binary Classification
             
@@ -810,21 +838,14 @@
             
         </li>
     
-
-    
-        
-        <li class="header">Part VI - Binary classification tutorials</li>
-        
-        
-    
-        <li class="chapter " data-level="6.1" data-path="a9a.html">
+        <li class="chapter " data-level="6.2" data-path="a9a.html">
             
                 <a href="a9a.html">
             
                     
-                        <b>6.1.</b>
+                        <b>6.2.</b>
                     
-                    a9a
+                    a9a tutorial
             
                 </a>
             
@@ -833,12 +854,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.1.1" data-path="a9a_dataset.html">
+        <li class="chapter " data-level="6.2.1" data-path="a9a_dataset.html">
             
                 <a href="a9a_dataset.html">
             
                     
-                        <b>6.1.1.</b>
+                        <b>6.2.1.</b>
                     
                     Data preparation
             
@@ -848,12 +869,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.1.2" data-path="a9a_lr.html">
+        <li class="chapter " data-level="6.2.2" data-path="a9a_lr.html">
             
                 <a href="a9a_lr.html">
             
                     
-                        <b>6.1.2.</b>
+                        <b>6.2.2.</b>
                     
                     Logistic Regression
             
@@ -863,12 +884,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.1.3" data-path="a9a_minibatch.html">
+        <li class="chapter " data-level="6.2.3" data-path="a9a_minibatch.html">
             
                 <a href="a9a_minibatch.html">
             
                     
-                        <b>6.1.3.</b>
+                        <b>6.2.3.</b>
                     
                     Mini-batch Gradient Descent
             
@@ -883,14 +904,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.2" data-path="news20.html">
+        <li class="chapter " data-level="6.3" data-path="news20.html">
             
                 <a href="news20.html">
             
                     
-                        <b>6.2.</b>
+                        <b>6.3.</b>
                     
-                    News20
+                    News20 tutorial
             
                 </a>
             
@@ -899,12 +920,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.2.1" data-path="news20_dataset.html">
+        <li class="chapter " data-level="6.3.1" data-path="news20_dataset.html">
             
                 <a href="news20_dataset.html">
             
                     
-                        <b>6.2.1.</b>
+                        <b>6.3.1.</b>
                     
                     Data preparation
             
@@ -914,12 +935,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.2.2" data-path="news20_pa.html">
+        <li class="chapter " data-level="6.3.2" data-path="news20_pa.html">
             
                 <a href="news20_pa.html">
             
                     
-                        <b>6.2.2.</b>
+                        <b>6.3.2.</b>
                     
                     Perceptron, Passive Aggressive
             
@@ -929,12 +950,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.2.3" data-path="news20_scw.html">
+        <li class="chapter " data-level="6.3.3" data-path="news20_scw.html">
             
                 <a href="news20_scw.html">
             
                     
-                        <b>6.2.3.</b>
+                        <b>6.3.3.</b>
                     
                     CW, AROW, SCW
             
@@ -944,12 +965,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.2.4" data-path="news20_adagrad.html">
+        <li class="chapter " data-level="6.3.4" data-path="news20_adagrad.html">
             
                 <a href="news20_adagrad.html">
             
                     
-                        <b>6.2.4.</b>
+                        <b>6.3.4.</b>
                     
                     AdaGradRDA, AdaGrad, AdaDelta
             
@@ -964,14 +985,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.3" data-path="kdd2010a.html">
+        <li class="chapter " data-level="6.4" data-path="kdd2010a.html">
             
                 <a href="kdd2010a.html">
             
                     
-                        <b>6.3.</b>
+                        <b>6.4.</b>
                     
-                    KDD2010a
+                    KDD2010a tutorial
             
                 </a>
             
@@ -980,12 +1001,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.3.1" data-path="kdd2010a_dataset.html">
+        <li class="chapter " data-level="6.4.1" data-path="kdd2010a_dataset.html">
             
                 <a href="kdd2010a_dataset.html">
             
                     
-                        <b>6.3.1.</b>
+                        <b>6.4.1.</b>
                     
                     Data preparation
             
@@ -995,12 +1016,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.3.2" data-path="kdd2010a_scw.html">
+        <li class="chapter " data-level="6.4.2" data-path="kdd2010a_scw.html">
             
                 <a href="kdd2010a_scw.html">
             
                     
-                        <b>6.3.2.</b>
+                        <b>6.4.2.</b>
                     
                     PA, CW, AROW, SCW
             
@@ -1015,14 +1036,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.4" data-path="kdd2010b.html">
+        <li class="chapter " data-level="6.5" data-path="kdd2010b.html">
             
                 <a href="kdd2010b.html">
             
                     
-                        <b>6.4.</b>
+                        <b>6.5.</b>
                     
-                    KDD2010b
+                    KDD2010b tutorial
             
                 </a>
             
@@ -1031,12 +1052,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.4.1" data-path="kdd2010b_dataset.html">
+        <li class="chapter " data-level="6.5.1" data-path="kdd2010b_dataset.html">
             
                 <a href="kdd2010b_dataset.html">
             
                     
-                        <b>6.4.1.</b>
+                        <b>6.5.1.</b>
                     
                     Data preparation
             
@@ -1046,12 +1067,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.4.2" data-path="kdd2010b_arow.html">
+        <li class="chapter " data-level="6.5.2" data-path="kdd2010b_arow.html">
             
                 <a href="kdd2010b_arow.html">
             
                     
-                        <b>6.4.2.</b>
+                        <b>6.5.2.</b>
                     
                     AROW
             
@@ -1066,14 +1087,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.5" data-path="webspam.html">
+        <li class="chapter " data-level="6.6" data-path="webspam.html">
             
                 <a href="webspam.html">
             
                     
-                        <b>6.5.</b>
+                        <b>6.6.</b>
                     
-                    Webspam
+                    Webspam tutorial
             
                 </a>
             
@@ -1082,12 +1103,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter active" data-level="6.5.1" data-path="webspam_dataset.html">
+        <li class="chapter active" data-level="6.6.1" data-path="webspam_dataset.html">
             
                 <a href="webspam_dataset.html">
             
                     
-                        <b>6.5.1.</b>
+                        <b>6.6.1.</b>
                     
                     Data pareparation
             
@@ -1097,12 +1118,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.5.2" data-path="webspam_scw.html">
+        <li class="chapter " data-level="6.6.2" data-path="webspam_scw.html">
             
                 <a href="webspam_scw.html">
             
                     
-                        <b>6.5.2.</b>
+                        <b>6.6.2.</b>
                     
                     PA1, AROW, SCW
             
@@ -1117,14 +1138,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.6" data-path="titanic_rf.html">
+        <li class="chapter " data-level="6.7" data-path="titanic_rf.html">
             
                 <a href="titanic_rf.html">
             
                     
-                        <b>6.6.</b>
+                        <b>6.7.</b>
                     
-                    Kaggle Titanic
+                    Kaggle Titanic tutorial
             
                 </a>
             
@@ -1135,7 +1156,7 @@
 
     
         
-        <li class="header">Part VII - Multiclass classification tutorials</li>
+        <li class="header">Part VII - Multiclass classification</li>
         
         
     
@@ -1146,7 +1167,7 @@
                     
                         <b>7.1.</b>
                     
-                    News20 Multiclass
+                    News20 Multiclass tutorial
             
                 </a>
             
@@ -1257,7 +1278,7 @@
                     
                         <b>7.2.</b>
                     
-                    Iris
+                    Iris tutorial
             
                 </a>
             
@@ -1319,18 +1340,33 @@
 
     
         
-        <li class="header">Part VIII - Regression tutorials</li>
+        <li class="header">Part VIII - Regression</li>
         
         
     
-        <li class="chapter " data-level="8.1" data-path="../regression/e2006.html">
+        <li class="chapter " data-level="8.1" data-path="../regression/general.html">
             
-                <a href="../regression/e2006.html">
+                <a href="../regression/general.html">
             
                     
                         <b>8.1.</b>
                     
-                    E2006-tfidf regression
+                    Regression
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="8.2" data-path="../regression/e2006.html">
+            
+                <a href="../regression/e2006.html">
+            
+                    
+                        <b>8.2.</b>
+                    
+                    E2006-tfidf regression tutorial
             
                 </a>
             
@@ -1339,12 +1375,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="8.1.1" data-path="../regression/e2006_dataset.html">
+        <li class="chapter " data-level="8.2.1" data-path="../regression/e2006_dataset.html">
             
                 <a href="../regression/e2006_dataset.html">
             
                     
-                        <b>8.1.1.</b>
+                        <b>8.2.1.</b>
                     
                     Data preparation
             
@@ -1354,12 +1390,12 @@
             
         </li>
     
-        <li class="chapter " data-level="8.1.2" data-path="../regression/e2006_arow.html">
+        <li class="chapter " data-level="8.2.2" data-path="../regression/e2006_arow.html">
             
                 <a href="../regression/e2006_arow.html">
             
                     
-                        <b>8.1.2.</b>
+                        <b>8.2.2.</b>
                     
                     Passive Aggressive, AROW
             
@@ -1374,14 +1410,14 @@
             
         </li>
     
-        <li class="chapter " data-level="8.2" data-path="../regression/kddcup12tr2.html">
+        <li class="chapter " data-level="8.3" data-path="../regression/kddcup12tr2.html">
             
                 <a href="../regression/kddcup12tr2.html">
             
                     
-                        <b>8.2.</b>
+                        <b>8.3.</b>
                     
-                    KDDCup 2012 track 2 CTR prediction
+                    KDDCup 2012 track 2 CTR prediction tutorial
             
                 </a>
             
@@ -1390,12 +1426,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="8.2.1" data-path="../regression/kddcup12tr2_dataset.html">
+        <li class="chapter " data-level="8.3.1" data-path="../regression/kddcup12tr2_dataset.html">
             
                 <a href="../regression/kddcup12tr2_dataset.html">
             
                     
-                        <b>8.2.1.</b>
+                        <b>8.3.1.</b>
                     
                     Data preparation
             
@@ -1405,12 +1441,12 @@
             
         </li>
     
-        <li class="chapter " data-level="8.2.2" data-path="../regression/kddcup12tr2_lr.html">
+        <li class="chapter " data-level="8.3.2" data-path="../regression/kddcup12tr2_lr.html">
             
                 <a href="../regression/kddcup12tr2_lr.html">
             
                     
-                        <b>8.2.2.</b>
+                        <b>8.3.2.</b>
                     
                     Logistic Regression, Passive Aggressive
             
@@ -1420,12 +1456,12 @@
             
         </li>
     
-        <li class="chapter " data-level="8.2.3" data-path="../regression/kddcup12tr2_lr_amplify.html">
+        <li class="chapter " data-level="8.3.3" data-path="../regression/kddcup12tr2_lr_amplify.html">
             
                 <a href="../regression/kddcup12tr2_lr_amplify.html">
             
                     
-                        <b>8.2.3.</b>
+                        <b>8.3.3.</b>
                     
                     Logistic Regression with Amplifier
             
@@ -1435,12 +1471,12 @@
             
         </li>
     
-        <li class="chapter " data-level="8.2.4" data-path="../regression/kddcup12tr2_adagrad.html">
+        <li class="chapter " data-level="8.3.4" data-path="../regression/kddcup12tr2_adagrad.html">
             
                 <a href="../regression/kddcup12tr2_adagrad.html">
             
                     
-                        <b>8.2.4.</b>
+                        <b>8.3.4.</b>
                     
                     AdaGrad, AdaDelta
             
@@ -2199,7 +2235,7 @@ Apache Hivemall is an effort undergoing incubation at The Apache Software Founda
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/ba518dab/userguide/binaryclass/webspam_scw.html
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diff --git a/userguide/binaryclass/webspam_scw.html b/userguide/binaryclass/webspam_scw.html
index 9881e15..551d072 100644
--- a/userguide/binaryclass/webspam_scw.html
+++ b/userguide/binaryclass/webspam_scw.html
@@ -598,14 +598,30 @@
             
         </li>
     
-        <li class="chapter " data-level="3.5" data-path="../ft_engineering/tfidf.html">
+        <li class="chapter " data-level="3.5" data-path="../ft_engineering/pairing.html">
             
-                <a href="../ft_engineering/tfidf.html">
+                <a href="../ft_engineering/pairing.html">
             
                     
                         <b>3.5.</b>
                     
-                    TF-IDF Calculation
+                    FEATURE PAIRING
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="3.5.1" data-path="../ft_engineering/polynomial.html">
+            
+                <a href="../ft_engineering/polynomial.html">
+            
+                    
+                        <b>3.5.1.</b>
+                    
+                    Polynomial Features
             
                 </a>
             
@@ -613,6 +629,11 @@
             
         </li>
     
+
+            </ul>
+            
+        </li>
+    
         <li class="chapter " data-level="3.6" data-path="../ft_engineering/ft_trans.html">
             
                 <a href="../ft_engineering/ft_trans.html">
@@ -664,6 +685,21 @@
             
         </li>
     
+        <li class="chapter " data-level="3.7" data-path="../ft_engineering/tfidf.html">
+            
+                <a href="../ft_engineering/tfidf.html">
+            
+                    
+                        <b>3.7.</b>
+                    
+                    TF-IDF Calculation
+            
+                </a>
+            
+
+            
+        </li>
+    
 
     
         
@@ -761,7 +797,7 @@
 
     
         
-        <li class="header">Part V - Prediction</li>
+        <li class="header">Part V - Supervised Learning</li>
         
         
     
@@ -780,27 +816,19 @@
             
         </li>
     
-        <li class="chapter " data-level="5.2" data-path="../regression/general.html">
-            
-                <a href="../regression/general.html">
-            
-                    
-                        <b>5.2.</b>
-                    
-                    Regression
-            
-                </a>
-            
 
-            
-        </li>
     
-        <li class="chapter " data-level="5.3" data-path="general.html">
+        
+        <li class="header">Part VI - Binary classification</li>
+        
+        
+    
+        <li class="chapter " data-level="6.1" data-path="general.html">
             
                 <a href="general.html">
             
                     
-                        <b>5.3.</b>
+                        <b>6.1.</b>
                     
                     Binary Classification
             
@@ -810,21 +838,14 @@
             
         </li>
     
-
-    
-        
-        <li class="header">Part VI - Binary classification tutorials</li>
-        
-        
-    
-        <li class="chapter " data-level="6.1" data-path="a9a.html">
+        <li class="chapter " data-level="6.2" data-path="a9a.html">
             
                 <a href="a9a.html">
             
                     
-                        <b>6.1.</b>
+                        <b>6.2.</b>
                     
-                    a9a
+                    a9a tutorial
             
                 </a>
             
@@ -833,12 +854,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.1.1" data-path="a9a_dataset.html">
+        <li class="chapter " data-level="6.2.1" data-path="a9a_dataset.html">
             
                 <a href="a9a_dataset.html">
             
                     
-                        <b>6.1.1.</b>
+                        <b>6.2.1.</b>
                     
                     Data preparation
             
@@ -848,12 +869,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.1.2" data-path="a9a_lr.html">
+        <li class="chapter " data-level="6.2.2" data-path="a9a_lr.html">
             
                 <a href="a9a_lr.html">
             
                     
-                        <b>6.1.2.</b>
+                        <b>6.2.2.</b>
                     
                     Logistic Regression
             
@@ -863,12 +884,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.1.3" data-path="a9a_minibatch.html">
+        <li class="chapter " data-level="6.2.3" data-path="a9a_minibatch.html">
             
                 <a href="a9a_minibatch.html">
             
                     
-                        <b>6.1.3.</b>
+                        <b>6.2.3.</b>
                     
                     Mini-batch Gradient Descent
             
@@ -883,14 +904,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.2" data-path="news20.html">
+        <li class="chapter " data-level="6.3" data-path="news20.html">
             
                 <a href="news20.html">
             
                     
-                        <b>6.2.</b>
+                        <b>6.3.</b>
                     
-                    News20
+                    News20 tutorial
             
                 </a>
             
@@ -899,12 +920,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.2.1" data-path="news20_dataset.html">
+        <li class="chapter " data-level="6.3.1" data-path="news20_dataset.html">
             
                 <a href="news20_dataset.html">
             
                     
-                        <b>6.2.1.</b>
+                        <b>6.3.1.</b>
                     
                     Data preparation
             
@@ -914,12 +935,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.2.2" data-path="news20_pa.html">
+        <li class="chapter " data-level="6.3.2" data-path="news20_pa.html">
             
                 <a href="news20_pa.html">
             
                     
-                        <b>6.2.2.</b>
+                        <b>6.3.2.</b>
                     
                     Perceptron, Passive Aggressive
             
@@ -929,12 +950,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.2.3" data-path="news20_scw.html">
+        <li class="chapter " data-level="6.3.3" data-path="news20_scw.html">
             
                 <a href="news20_scw.html">
             
                     
-                        <b>6.2.3.</b>
+                        <b>6.3.3.</b>
                     
                     CW, AROW, SCW
             
@@ -944,12 +965,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.2.4" data-path="news20_adagrad.html">
+        <li class="chapter " data-level="6.3.4" data-path="news20_adagrad.html">
             
                 <a href="news20_adagrad.html">
             
                     
-                        <b>6.2.4.</b>
+                        <b>6.3.4.</b>
                     
                     AdaGradRDA, AdaGrad, AdaDelta
             
@@ -964,14 +985,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.3" data-path="kdd2010a.html">
+        <li class="chapter " data-level="6.4" data-path="kdd2010a.html">
             
                 <a href="kdd2010a.html">
             
                     
-                        <b>6.3.</b>
+                        <b>6.4.</b>
                     
-                    KDD2010a
+                    KDD2010a tutorial
             
                 </a>
             
@@ -980,12 +1001,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.3.1" data-path="kdd2010a_dataset.html">
+        <li class="chapter " data-level="6.4.1" data-path="kdd2010a_dataset.html">
             
                 <a href="kdd2010a_dataset.html">
             
                     
-                        <b>6.3.1.</b>
+                        <b>6.4.1.</b>
                     
                     Data preparation
             
@@ -995,12 +1016,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.3.2" data-path="kdd2010a_scw.html">
+        <li class="chapter " data-level="6.4.2" data-path="kdd2010a_scw.html">
             
                 <a href="kdd2010a_scw.html">
             
                     
-                        <b>6.3.2.</b>
+                        <b>6.4.2.</b>
                     
                     PA, CW, AROW, SCW
             
@@ -1015,14 +1036,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.4" data-path="kdd2010b.html">
+        <li class="chapter " data-level="6.5" data-path="kdd2010b.html">
             
                 <a href="kdd2010b.html">
             
                     
-                        <b>6.4.</b>
+                        <b>6.5.</b>
                     
-                    KDD2010b
+                    KDD2010b tutorial
             
                 </a>
             
@@ -1031,12 +1052,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.4.1" data-path="kdd2010b_dataset.html">
+        <li class="chapter " data-level="6.5.1" data-path="kdd2010b_dataset.html">
             
                 <a href="kdd2010b_dataset.html">
             
                     
-                        <b>6.4.1.</b>
+                        <b>6.5.1.</b>
                     
                     Data preparation
             
@@ -1046,12 +1067,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.4.2" data-path="kdd2010b_arow.html">
+        <li class="chapter " data-level="6.5.2" data-path="kdd2010b_arow.html">
             
                 <a href="kdd2010b_arow.html">
             
                     
-                        <b>6.4.2.</b>
+                        <b>6.5.2.</b>
                     
                     AROW
             
@@ -1066,14 +1087,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.5" data-path="webspam.html">
+        <li class="chapter " data-level="6.6" data-path="webspam.html">
             
                 <a href="webspam.html">
             
                     
-                        <b>6.5.</b>
+                        <b>6.6.</b>
                     
-                    Webspam
+                    Webspam tutorial
             
                 </a>
             
@@ -1082,12 +1103,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.5.1" data-path="webspam_dataset.html">
+        <li class="chapter " data-level="6.6.1" data-path="webspam_dataset.html">
             
                 <a href="webspam_dataset.html">
             
                     
-                        <b>6.5.1.</b>
+                        <b>6.6.1.</b>
                     
                     Data pareparation
             
@@ -1097,12 +1118,12 @@
             
         </li>
     
-        <li class="chapter active" data-level="6.5.2" data-path="webspam_scw.html">
+        <li class="chapter active" data-level="6.6.2" data-path="webspam_scw.html">
             
                 <a href="webspam_scw.html">
             
                     
-                        <b>6.5.2.</b>
+                        <b>6.6.2.</b>
                     
                     PA1, AROW, SCW
             
@@ -1117,14 +1138,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.6" data-path="titanic_rf.html">
+        <li class="chapter " data-level="6.7" data-path="titanic_rf.html">
             
                 <a href="titanic_rf.html">
             
                     
-                        <b>6.6.</b>
+                        <b>6.7.</b>
                     
-                    Kaggle Titanic
+                    Kaggle Titanic tutorial
             
                 </a>
             
@@ -1135,7 +1156,7 @@
 
     
         
-        <li class="header">Part VII - Multiclass classification tutorials</li>
+        <li class="header">Part VII - Multiclass classification</li>
         
         
     
@@ -1146,7 +1167,7 @@
                     
                         <b>7.1.</b>
                     
-                    News20 Multiclass
+                    News20 Multiclass tutorial
             
                 </a>
             
@@ -1257,7 +1278,7 @@
                     
                         <b>7.2.</b>
                     
-                    Iris
+                    Iris tutorial
             
                 </a>
             
@@ -1319,18 +1340,33 @@
 
     
         
-        <li class="header">Part VIII - Regression tutorials</li>
+        <li class="header">Part VIII - Regression</li>
         
         
     
-        <li class="chapter " data-level="8.1" data-path="../regression/e2006.html">
+        <li class="chapter " data-level="8.1" data-path="../regression/general.html">
             
-                <a href="../regression/e2006.html">
+                <a href="../regression/general.html">
             
                     
                         <b>8.1.</b>
                     
-                    E2006-tfidf regression
+                    Regression
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="8.2" data-path="../regression/e2006.html">
+            
+                <a href="../regression/e2006.html">
+            
+                    
+                        <b>8.2.</b>
+                    
+                    E2006-tfidf regression tutorial
             
                 </a>
             
@@ -1339,12 +1375,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="8.1.1" data-path="../regression/e2006_dataset.html">
+        <li class="chapter " data-level="8.2.1" data-path="../regression/e2006_dataset.html">
             
                 <a href="../regression/e2006_dataset.html">
             
                     
-                        <b>8.1.1.</b>
+                        <b>8.2.1.</b>
                     
                     Data preparation
             
@@ -1354,12 +1390,12 @@
             
         </li>
     
-        <li class="chapter " data-level="8.1.2" data-path="../regression/e2006_arow.html">
+        <li class="chapter " data-level="8.2.2" data-path="../regression/e2006_arow.html">
             
                 <a href="../regression/e2006_arow.html">
             
                     
-                        <b>8.1.2.</b>
+                        <b>8.2.2.</b>
                     
                     Passive Aggressive, AROW
             
@@ -1374,14 +1410,14 @@
             
         </li>
     
-        <li class="chapter " data-level="8.2" data-path="../regression/kddcup12tr2.html">
+        <li class="chapter " data-level="8.3" data-path="../regression/kddcup12tr2.html">
             
                 <a href="../regression/kddcup12tr2.html">
             
                     
-                        <b>8.2.</b>
+                        <b>8.3.</b>
                     
-                    KDDCup 2012 track 2 CTR prediction
+                    KDDCup 2012 track 2 CTR prediction tutorial
             
                 </a>
             
@@ -1390,12 +1426,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="8.2.1" data-path="../regression/kddcup12tr2_dataset.html">
+        <li class="chapter " data-level="8.3.1" data-path="../regression/kddcup12tr2_dataset.html">
             
                 <a href="../regression/kddcup12tr2_dataset.html">
             
                     
-                        <b>8.2.1.</b>
+                        <b>8.3.1.</b>
                     
                     Data preparation
             
@@ -1405,12 +1441,12 @@
             
         </li>
     
-        <li class="chapter " data-level="8.2.2" data-path="../regression/kddcup12tr2_lr.html">
+        <li class="chapter " data-level="8.3.2" data-path="../regression/kddcup12tr2_lr.html">
             
                 <a href="../regression/kddcup12tr2_lr.html">
             
                     
-                        <b>8.2.2.</b>
+                        <b>8.3.2.</b>
                     
                     Logistic Regression, Passive Aggressive
             
@@ -1420,12 +1456,12 @@
             
         </li>
     
-        <li class="chapter " data-level="8.2.3" data-path="../regression/kddcup12tr2_lr_amplify.html">
+        <li class="chapter " data-level="8.3.3" data-path="../regression/kddcup12tr2_lr_amplify.html">
             
                 <a href="../regression/kddcup12tr2_lr_amplify.html">
             
                     
-                        <b>8.2.3.</b>
+                        <b>8.3.3.</b>
                     
                     Logistic Regression with Amplifier
             
@@ -1435,12 +1471,12 @@
             
         </li>
     
-        <li class="chapter " data-level="8.2.4" data-path="../regression/kddcup12tr2_adagrad.html">
+        <li class="chapter " data-level="8.3.4" data-path="../regression/kddcup12tr2_adagrad.html">
             
                 <a href="../regression/kddcup12tr2_adagrad.html">
             
                     
-                        <b>8.2.4.</b>
+                        <b>8.3.4.</b>
                     
                     AdaGrad, AdaDelta
             
@@ -2259,7 +2295,7 @@ Apache Hivemall is an effort undergoing incubation at The Apache Software Founda
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/ba518dab/userguide/clustering/lda.html
----------------------------------------------------------------------
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@@ -598,14 +598,30 @@
             
         </li>
     
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-                <a href="../ft_engineering/tfidf.html">
+                <a href="../ft_engineering/pairing.html">
             
                     
                         <b>3.5.</b>
                     
-                    TF-IDF Calculation
+                    FEATURE PAIRING
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="3.5.1" data-path="../ft_engineering/polynomial.html">
+            
+                <a href="../ft_engineering/polynomial.html">
+            
+                    
+                        <b>3.5.1.</b>
+                    
+                    Polynomial Features
             
                 </a>
             
@@ -613,6 +629,11 @@
             
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+
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+                        <b>3.7.</b>
+                    
+                    TF-IDF Calculation
+            
+                </a>
+            
+
+            
+        </li>
+    
 
     
         
@@ -761,7 +797,7 @@
 
     
         
-        <li class="header">Part V - Prediction</li>
+        <li class="header">Part V - Supervised Learning</li>
         
         
     
@@ -780,27 +816,19 @@
             
         </li>
     
-        <li class="chapter " data-level="5.2" data-path="../regression/general.html">
-            
-                <a href="../regression/general.html">
-            
-                    
-                        <b>5.2.</b>
-                    
-                    Regression
-            
-                </a>
-            
 
-            
-        </li>
     
-        <li class="chapter " data-level="5.3" data-path="../binaryclass/general.html">
+        
+        <li class="header">Part VI - Binary classification</li>
+        
+        
+    
+        <li class="chapter " data-level="6.1" data-path="../binaryclass/general.html">
             
                 <a href="../binaryclass/general.html">
             
                     
-                        <b>5.3.</b>
+                        <b>6.1.</b>
                     
                     Binary Classification
             
@@ -810,21 +838,14 @@
             
         </li>
     
-
-    
-        
-        <li class="header">Part VI - Binary classification tutorials</li>
-        
-        
-    
-        <li class="chapter " data-level="6.1" data-path="../binaryclass/a9a.html">
+        <li class="chapter " data-level="6.2" data-path="../binaryclass/a9a.html">
             
                 <a href="../binaryclass/a9a.html">
             
                     
-                        <b>6.1.</b>
+                        <b>6.2.</b>
                     
-                    a9a
+                    a9a tutorial
             
                 </a>
             
@@ -833,12 +854,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.1.1" data-path="../binaryclass/a9a_dataset.html">
+        <li class="chapter " data-level="6.2.1" data-path="../binaryclass/a9a_dataset.html">
             
                 <a href="../binaryclass/a9a_dataset.html">
             
                     
-                        <b>6.1.1.</b>
+                        <b>6.2.1.</b>
                     
                     Data preparation
             
@@ -848,12 +869,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.1.2" data-path="../binaryclass/a9a_lr.html">
+        <li class="chapter " data-level="6.2.2" data-path="../binaryclass/a9a_lr.html">
             
                 <a href="../binaryclass/a9a_lr.html">
             
                     
-                        <b>6.1.2.</b>
+                        <b>6.2.2.</b>
                     
                     Logistic Regression
             
@@ -863,12 +884,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.1.3" data-path="../binaryclass/a9a_minibatch.html">
+        <li class="chapter " data-level="6.2.3" data-path="../binaryclass/a9a_minibatch.html">
             
                 <a href="../binaryclass/a9a_minibatch.html">
             
                     
-                        <b>6.1.3.</b>
+                        <b>6.2.3.</b>
                     
                     Mini-batch Gradient Descent
             
@@ -883,14 +904,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.2" data-path="../binaryclass/news20.html">
+        <li class="chapter " data-level="6.3" data-path="../binaryclass/news20.html">
             
                 <a href="../binaryclass/news20.html">
             
                     
-                        <b>6.2.</b>
+                        <b>6.3.</b>
                     
-                    News20
+                    News20 tutorial
             
                 </a>
             
@@ -899,12 +920,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.2.1" data-path="../binaryclass/news20_dataset.html">
+        <li class="chapter " data-level="6.3.1" data-path="../binaryclass/news20_dataset.html">
             
                 <a href="../binaryclass/news20_dataset.html">
             
                     
-                        <b>6.2.1.</b>
+                        <b>6.3.1.</b>
                     
                     Data preparation
             
@@ -914,12 +935,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.2.2" data-path="../binaryclass/news20_pa.html">
+        <li class="chapter " data-level="6.3.2" data-path="../binaryclass/news20_pa.html">
             
                 <a href="../binaryclass/news20_pa.html">
             
                     
-                        <b>6.2.2.</b>
+                        <b>6.3.2.</b>
                     
                     Perceptron, Passive Aggressive
             
@@ -929,12 +950,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.2.3" data-path="../binaryclass/news20_scw.html">
+        <li class="chapter " data-level="6.3.3" data-path="../binaryclass/news20_scw.html">
             
                 <a href="../binaryclass/news20_scw.html">
             
                     
-                        <b>6.2.3.</b>
+                        <b>6.3.3.</b>
                     
                     CW, AROW, SCW
             
@@ -944,12 +965,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.2.4" data-path="../binaryclass/news20_adagrad.html">
+        <li class="chapter " data-level="6.3.4" data-path="../binaryclass/news20_adagrad.html">
             
                 <a href="../binaryclass/news20_adagrad.html">
             
                     
-                        <b>6.2.4.</b>
+                        <b>6.3.4.</b>
                     
                     AdaGradRDA, AdaGrad, AdaDelta
             
@@ -964,14 +985,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.3" data-path="../binaryclass/kdd2010a.html">
+        <li class="chapter " data-level="6.4" data-path="../binaryclass/kdd2010a.html">
             
                 <a href="../binaryclass/kdd2010a.html">
             
                     
-                        <b>6.3.</b>
+                        <b>6.4.</b>
                     
-                    KDD2010a
+                    KDD2010a tutorial
             
                 </a>
             
@@ -980,12 +1001,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.3.1" data-path="../binaryclass/kdd2010a_dataset.html">
+        <li class="chapter " data-level="6.4.1" data-path="../binaryclass/kdd2010a_dataset.html">
             
                 <a href="../binaryclass/kdd2010a_dataset.html">
             
                     
-                        <b>6.3.1.</b>
+                        <b>6.4.1.</b>
                     
                     Data preparation
             
@@ -995,12 +1016,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.3.2" data-path="../binaryclass/kdd2010a_scw.html">
+        <li class="chapter " data-level="6.4.2" data-path="../binaryclass/kdd2010a_scw.html">
             
                 <a href="../binaryclass/kdd2010a_scw.html">
             
                     
-                        <b>6.3.2.</b>
+                        <b>6.4.2.</b>
                     
                     PA, CW, AROW, SCW
             
@@ -1015,14 +1036,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.4" data-path="../binaryclass/kdd2010b.html">
+        <li class="chapter " data-level="6.5" data-path="../binaryclass/kdd2010b.html">
             
                 <a href="../binaryclass/kdd2010b.html">
             
                     
-                        <b>6.4.</b>
+                        <b>6.5.</b>
                     
-                    KDD2010b
+                    KDD2010b tutorial
             
                 </a>
             
@@ -1031,12 +1052,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.4.1" data-path="../binaryclass/kdd2010b_dataset.html">
+        <li class="chapter " data-level="6.5.1" data-path="../binaryclass/kdd2010b_dataset.html">
             
                 <a href="../binaryclass/kdd2010b_dataset.html">
             
                     
-                        <b>6.4.1.</b>
+                        <b>6.5.1.</b>
                     
                     Data preparation
             
@@ -1046,12 +1067,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.4.2" data-path="../binaryclass/kdd2010b_arow.html">
+        <li class="chapter " data-level="6.5.2" data-path="../binaryclass/kdd2010b_arow.html">
             
                 <a href="../binaryclass/kdd2010b_arow.html">
             
                     
-                        <b>6.4.2.</b>
+                        <b>6.5.2.</b>
                     
                     AROW
             
@@ -1066,14 +1087,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.5" data-path="../binaryclass/webspam.html">
+        <li class="chapter " data-level="6.6" data-path="../binaryclass/webspam.html">
             
                 <a href="../binaryclass/webspam.html">
             
                     
-                        <b>6.5.</b>
+                        <b>6.6.</b>
                     
-                    Webspam
+                    Webspam tutorial
             
                 </a>
             
@@ -1082,12 +1103,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="6.5.1" data-path="../binaryclass/webspam_dataset.html">
+        <li class="chapter " data-level="6.6.1" data-path="../binaryclass/webspam_dataset.html">
             
                 <a href="../binaryclass/webspam_dataset.html">
             
                     
-                        <b>6.5.1.</b>
+                        <b>6.6.1.</b>
                     
                     Data pareparation
             
@@ -1097,12 +1118,12 @@
             
         </li>
     
-        <li class="chapter " data-level="6.5.2" data-path="../binaryclass/webspam_scw.html">
+        <li class="chapter " data-level="6.6.2" data-path="../binaryclass/webspam_scw.html">
             
                 <a href="../binaryclass/webspam_scw.html">
             
                     
-                        <b>6.5.2.</b>
+                        <b>6.6.2.</b>
                     
                     PA1, AROW, SCW
             
@@ -1117,14 +1138,14 @@
             
         </li>
     
-        <li class="chapter " data-level="6.6" data-path="../binaryclass/titanic_rf.html">
+        <li class="chapter " data-level="6.7" data-path="../binaryclass/titanic_rf.html">
             
                 <a href="../binaryclass/titanic_rf.html">
             
                     
-                        <b>6.6.</b>
+                        <b>6.7.</b>
                     
-                    Kaggle Titanic
+                    Kaggle Titanic tutorial
             
                 </a>
             
@@ -1135,7 +1156,7 @@
 
     
         
-        <li class="header">Part VII - Multiclass classification tutorials</li>
+        <li class="header">Part VII - Multiclass classification</li>
         
         
     
@@ -1146,7 +1167,7 @@
                     
                         <b>7.1.</b>
                     
-                    News20 Multiclass
+                    News20 Multiclass tutorial
             
                 </a>
             
@@ -1257,7 +1278,7 @@
                     
                         <b>7.2.</b>
                     
-                    Iris
+                    Iris tutorial
             
                 </a>
             
@@ -1319,18 +1340,33 @@
 
     
         
-        <li class="header">Part VIII - Regression tutorials</li>
+        <li class="header">Part VIII - Regression</li>
         
         
     
-        <li class="chapter " data-level="8.1" data-path="../regression/e2006.html">
+        <li class="chapter " data-level="8.1" data-path="../regression/general.html">
             
-                <a href="../regression/e2006.html">
+                <a href="../regression/general.html">
             
                     
                         <b>8.1.</b>
                     
-                    E2006-tfidf regression
+                    Regression
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="8.2" data-path="../regression/e2006.html">
+            
+                <a href="../regression/e2006.html">
+            
+                    
+                        <b>8.2.</b>
+                    
+                    E2006-tfidf regression tutorial
             
                 </a>
             
@@ -1339,12 +1375,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="8.1.1" data-path="../regression/e2006_dataset.html">
+        <li class="chapter " data-level="8.2.1" data-path="../regression/e2006_dataset.html">
             
                 <a href="../regression/e2006_dataset.html">
             
                     
-                        <b>8.1.1.</b>
+                        <b>8.2.1.</b>
                     
                     Data preparation
             
@@ -1354,12 +1390,12 @@
             
         </li>
     
-        <li class="chapter " data-level="8.1.2" data-path="../regression/e2006_arow.html">
+        <li class="chapter " data-level="8.2.2" data-path="../regression/e2006_arow.html">
             
                 <a href="../regression/e2006_arow.html">
             
                     
-                        <b>8.1.2.</b>
+                        <b>8.2.2.</b>
                     
                     Passive Aggressive, AROW
             
@@ -1374,14 +1410,14 @@
             
         </li>
     
-        <li class="chapter " data-level="8.2" data-path="../regression/kddcup12tr2.html">
+        <li class="chapter " data-level="8.3" data-path="../regression/kddcup12tr2.html">
             
                 <a href="../regression/kddcup12tr2.html">
             
                     
-                        <b>8.2.</b>
+                        <b>8.3.</b>
                     
-                    KDDCup 2012 track 2 CTR prediction
+                    KDDCup 2012 track 2 CTR prediction tutorial
             
                 </a>
             
@@ -1390,12 +1426,12 @@
             <ul class="articles">
                 
     
-        <li class="chapter " data-level="8.2.1" data-path="../regression/kddcup12tr2_dataset.html">
+        <li class="chapter " data-level="8.3.1" data-path="../regression/kddcup12tr2_dataset.html">
             
                 <a href="../regression/kddcup12tr2_dataset.html">
             
                     
-                        <b>8.2.1.</b>
+                        <b>8.3.1.</b>
                     
                     Data preparation
             
@@ -1405,12 +1441,12 @@
             
         </li>
     
-        <li class="chapter " data-level="8.2.2" data-path="../regression/kddcup12tr2_lr.html">
+        <li class="chapter " data-level="8.3.2" data-path="../regression/kddcup12tr2_lr.html">
             
                 <a href="../regression/kddcup12tr2_lr.html">
             
                     
-                        <b>8.2.2.</b>
+                        <b>8.3.2.</b>
                     
                     Logistic Regression, Passive Aggressive
             
@@ -1420,12 +1456,12 @@
             
         </li>
     
-        <li class="chapter " data-level="8.2.3" data-path="../regression/kddcup12tr2_lr_amplify.html">
+        <li class="chapter " data-level="8.3.3" data-path="../regression/kddcup12tr2_lr_amplify.html">
             
                 <a href="../regression/kddcup12tr2_lr_amplify.html">
             
                     
-                        <b>8.2.3.</b>
+                        <b>8.3.3.</b>
                     
                     Logistic Regression with Amplifier
             
@@ -1435,12 +1471,12 @@
             
         </li>
     
-        <li class="chapter " data-level="8.2.4" data-path="../regression/kddcup12tr2_adagrad.html">
+        <li class="chapter " data-level="8.3.4" data-path="../regression/kddcup12tr2_adagrad.html">
             
                 <a href="../regression/kddcup12tr2_adagrad.html">
             
                     
-                        <b>8.2.4.</b>
+                        <b>8.3.4.</b>
                     
                     AdaGrad, AdaDelta
             
@@ -2119,13 +2155,15 @@
   <span class="hljs-keyword">select</span>
     docid,
     feature(word, <span class="hljs-keyword">count</span>(word)) <span class="hljs-keyword">as</span> word_count
-  <span class="hljs-keyword">from</span> docs t1 LATERAL <span class="hljs-keyword">VIEW</span> explode(tokenize(doc, <span class="hljs-literal">true</span>)) t2 <span class="hljs-keyword">as</span> word
+  <span class="hljs-keyword">from</span> 
+    docs t1 
+    LATERAL <span class="hljs-keyword">VIEW</span> explode(tokenize(doc, <span class="hljs-literal">true</span>)) t2 <span class="hljs-keyword">as</span> word
   <span class="hljs-keyword">where</span>
     <span class="hljs-keyword">not</span> is_stopword(word)
   <span class="hljs-keyword">group</span> <span class="hljs-keyword">by</span>
     docid, word
 )
-<span class="hljs-keyword">select</span> docid, collect_set(word_count) <span class="hljs-keyword">as</span> feature
+<span class="hljs-keyword">select</span> docid, collect_list(word_count) <span class="hljs-keyword">as</span> features
 <span class="hljs-keyword">from</span> word_counts
 <span class="hljs-keyword">group</span> <span class="hljs-keyword">by</span> docid
 ;
@@ -2134,7 +2172,7 @@
 <thead>
 <tr>
 <th style="text-align:center">docid</th>
-<th style="text-align:left">feature</th>
+<th style="text-align:left">features</th>
 </tr>
 </thead>
 <tbody>
@@ -2160,35 +2198,38 @@
     <span class="hljs-keyword">not</span> is_stopword(word)
   <span class="hljs-keyword">group</span> <span class="hljs-keyword">by</span>
     docid, word
-)
-<span class="hljs-keyword">select</span>
-  train_lda(feature, <span class="hljs-string">&quot;-topics 2 -iter 20&quot;</span>) <span class="hljs-keyword">as</span> (label, word, lambda)
-<span class="hljs-keyword">from</span> (
-  <span class="hljs-keyword">select</span> docid, collect_set(word_count) <span class="hljs-keyword">as</span> feature
+),
+<span class="hljs-keyword">input</span> <span class="hljs-keyword">as</span> (
+  <span class="hljs-keyword">select</span> docid, collect_list(word_count) <span class="hljs-keyword">as</span> features
   <span class="hljs-keyword">from</span> word_counts
   <span class="hljs-keyword">group</span> <span class="hljs-keyword">by</span> docid
-  <span class="hljs-keyword">order</span> <span class="hljs-keyword">by</span> docid
-) t
+)
+<span class="hljs-keyword">select</span>
+  train_lda(features, <span class="hljs-string">&apos;-topics 2 -iter 20&apos;</span>) <span class="hljs-keyword">as</span> (label, word, lambda)
+<span class="hljs-keyword">from</span>
+  <span class="hljs-keyword">input</span>
 ;
 </code></pre>
 <p>Here, an option <code>-topics 2</code> specifies the number of topics we assume in the set of documents.</p>
 <p>Notice that <code>order by docid</code> ensures building a LDA model precisely in a single node. In case that you like to launch <code>train_lda</code> in parallel, following query hopefully returns similar (but might be slightly approximated) result:</p>
 <pre><code class="lang-sql">with word_counts as (
   <span class="hljs-comment">-- same as above</span>
+),
+input as (
+  <span class="hljs-keyword">select</span> docid, collect_list(f) <span class="hljs-keyword">as</span> features
+  <span class="hljs-keyword">from</span> word_counts
+  <span class="hljs-keyword">group</span> <span class="hljs-keyword">by</span> docid
 )
 <span class="hljs-keyword">select</span>
   label, word, <span class="hljs-keyword">avg</span>(lambda) <span class="hljs-keyword">as</span> lambda
 <span class="hljs-keyword">from</span> (
   <span class="hljs-keyword">select</span>
-    train_lda(feature, <span class="hljs-string">&quot;-topics 2 -iter 20&quot;</span>) <span class="hljs-keyword">as</span> (label, word, lambda)
-  <span class="hljs-keyword">from</span> (
-    <span class="hljs-keyword">select</span> docid, collect_set(f) <span class="hljs-keyword">as</span> feature
-    <span class="hljs-keyword">from</span> word_counts
-    <span class="hljs-keyword">group</span> <span class="hljs-keyword">by</span> docid
-  ) t1
+    train_lda(features, <span class="hljs-string">&apos;-topics 2 -iter 20&apos;</span>) <span class="hljs-keyword">as</span> (label, word, lambda)
+  <span class="hljs-keyword">from</span> 
+    <span class="hljs-keyword">input</span>
 ) t2
 <span class="hljs-keyword">group</span> <span class="hljs-keyword">by</span> label, word
-<span class="hljs-keyword">order</span> <span class="hljs-keyword">by</span> lambda <span class="hljs-keyword">desc</span>
+<span class="hljs-comment">-- order by lambda desc -- ordering is optional</span>
 ;
 </code></pre>
 <p>Eventually, a new table <code>lda_model</code> is generated as shown below:</p>
@@ -2303,7 +2344,9 @@
     docid,
     word,
     <span class="hljs-keyword">count</span>(word) <span class="hljs-keyword">as</span> <span class="hljs-keyword">value</span>
-  <span class="hljs-keyword">from</span> docs t1 LATERAL <span class="hljs-keyword">VIEW</span> explode(tokenize(doc, <span class="hljs-literal">true</span>)) t2 <span class="hljs-keyword">as</span> word
+  <span class="hljs-keyword">from</span>
+    docs t1
+    LATERAL <span class="hljs-keyword">VIEW</span> explode(tokenize(doc, <span class="hljs-literal">true</span>)) t2 <span class="hljs-keyword">as</span> word
   <span class="hljs-keyword">where</span>
     <span class="hljs-keyword">not</span> is_stopword(word)
   <span class="hljs-keyword">group</span> <span class="hljs-keyword">by</span>
@@ -2311,7 +2354,7 @@
 )
 <span class="hljs-keyword">select</span>
   t.docid,
-  lda_predict(t.word, t.<span class="hljs-keyword">value</span>, m.label, m.lambda, <span class="hljs-string">&quot;-topics 2&quot;</span>) <span class="hljs-keyword">as</span> probabilities
+  lda_predict(t.word, t.<span class="hljs-keyword">value</span>, m.label, m.lambda, <span class="hljs-string">&apos;-topics 2&apos;</span>) <span class="hljs-keyword">as</span> probabilities
 <span class="hljs-keyword">from</span>
   <span class="hljs-keyword">test</span> t
   <span class="hljs-keyword">JOIN</span> lda_model m <span class="hljs-keyword">ON</span> (t.word = m.word)
@@ -2340,8 +2383,7 @@
 <p>Importantly, an option <code>-topics</code> is expected to be the same value as you set for training.</p>
 <p>Since the probabilities are sorted in descending order, a label of the most promising topic is easily obtained as:</p>
 <pre><code class="lang-sql"><span class="hljs-keyword">select</span> docid, probabilities[<span class="hljs-number">0</span>].label
-<span class="hljs-keyword">from</span> topic
-;
+<span class="hljs-keyword">from</span> topic;
 </code></pre>
 <table>
 <thead>
@@ -2417,7 +2459,7 @@ Apache Hivemall is an effort undergoing incubation at The Apache Software Founda
     <script>
         var gitbook = gitbook || [];
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