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Posted to commits@hivemall.apache.org by my...@apache.org on 2017/05/09 08:31:37 UTC

[1/9] incubator-hivemall-site git commit: Fixed pLSA documentation

Repository: incubator-hivemall-site
Updated Branches:
  refs/heads/asf-site 15b9991a5 -> d20191813


http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/tips/index.html
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diff --git a/userguide/tips/index.html b/userguide/tips/index.html
index adf3cbc..b8629b4 100644
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/tips/mixserver.html
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/tips/rand_amplify.html
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/tips/rowid.html
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[2/9] incubator-hivemall-site git commit: Fixed pLSA documentation

Posted by my...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/spark/binaryclass/a9a_df.html
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diff --git a/userguide/spark/binaryclass/a9a_df.html b/userguide/spark/binaryclass/a9a_df.html
index c787269..70b012c 100644
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/spark/binaryclass/index.html
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diff --git a/userguide/spark/binaryclass/index.html b/userguide/spark/binaryclass/index.html
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/spark/getting_started/index.html
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/tips/general_tips.html
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/tips/hadoop_tuning.html
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[8/9] incubator-hivemall-site git commit: Fixed pLSA documentation

Posted by my...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/binaryclass/kdd2010b_dataset.html
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@@ -2116,7 +2116,7 @@ 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/d2019181/userguide/binaryclass/webspam.html
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diff --git a/userguide/binaryclass/webspam.html b/userguide/binaryclass/webspam.html
index 604457f..0abb359 100644
--- a/userguide/binaryclass/webspam.html
+++ b/userguide/binaryclass/webspam.html
@@ -2062,7 +2062,7 @@ 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/d2019181/userguide/binaryclass/webspam_dataset.html
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diff --git a/userguide/binaryclass/webspam_dataset.html b/userguide/binaryclass/webspam_dataset.html
index ca3fd39..dc93275 100644
--- a/userguide/binaryclass/webspam_dataset.html
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@@ -2132,7 +2132,7 @@ 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/d2019181/userguide/binaryclass/webspam_scw.html
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diff --git a/userguide/binaryclass/webspam_scw.html b/userguide/binaryclass/webspam_scw.html
index 3325c1c..7f547d7 100644
--- a/userguide/binaryclass/webspam_scw.html
+++ b/userguide/binaryclass/webspam_scw.html
@@ -2192,7 +2192,7 @@ 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/d2019181/userguide/clustering/lda.html
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diff --git a/userguide/clustering/lda.html b/userguide/clustering/lda.html
index e12404a..c9af401 100644
--- a/userguide/clustering/lda.html
+++ b/userguide/clustering/lda.html
@@ -2095,7 +2095,7 @@
     docid, word
 )
 <span class="hljs-keyword">select</span>
-  train_lda(feature, <span class="hljs-string">&quot;-topic 2 -iter 20&quot;</span>) <span class="hljs-keyword">as</span> (label, word, lambda)
+  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">from</span> word_counts
@@ -2104,7 +2104,7 @@
 ) t
 ;
 </code></pre>
-<p>Here, an option <code>-topic 2</code> specifies the number of topics we assume in the set of documents.</p>
+<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>
@@ -2113,7 +2113,7 @@
   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;-topic 2 -iter 20&quot;</span>) <span class="hljs-keyword">as</span> (label, word, lambda)
+    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
@@ -2244,7 +2244,7 @@
 )
 <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;-topic 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">&quot;-topics 2&quot;</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)
@@ -2270,7 +2270,7 @@
 </tr>
 </tbody>
 </table>
-<p>Importantly, an option <code>-topic</code> should be set to the same value as you set for training.</p>
+<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
@@ -2350,7 +2350,7 @@ 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/d2019181/userguide/clustering/plsa.html
----------------------------------------------------------------------
diff --git a/userguide/clustering/plsa.html b/userguide/clustering/plsa.html
index bf9c7a7..2cc49c5 100644
--- a/userguide/clustering/plsa.html
+++ b/userguide/clustering/plsa.html
@@ -2238,7 +2238,13 @@ topic <span class="hljs-keyword">as</span> (
 </code></pre>
 <p>This value controls <strong>how much iterative model update is affected by the old results</strong>.</p>
 <p>From an algorithmic point of view, training pLSA (and LDA) iteratively repeats certain operations and updates the target value (i.e., probability obtained as a result of <code>train_plsa()</code>). This iterative procedure gradually makes the probabilities more accurate. What <code>alpha</code> does is to control the degree of the change of probabilities in each step.</p>
-<p>Normally, <code>alpha</code> is set to a small value from 0.0 to 0.5 (default is 0.5).
+<p>Importantly, pLSA is likely to overfit single mini-batch. As a result, <span class="katex"><span class="katex-mathml"><math><semantics><mrow><mi>P</mi><mo>(</mo><mi>w</mi><mi mathvariant="normal">&#x2223;</mi><mi>z</mi><mo>)</mo></mrow><annotation encoding="application/x-tex">P(w|z)</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="strut" style="height:0.75em;"></span><span class="strut bottom" style="height:1em;vertical-align:-0.25em;"></span><span class="base textstyle uncramped"><span class="mord mathit" style="margin-right:0.13889em;">P</span><span class="mopen">(</span><span class="mord mathit" style="margin-right:0.02691em;">w</span><span class="mord mathrm">&#x2223;</span><span class="mord mathit" style="margin-right:0.04398em;">z</span><span class="mclose">)</span></span></span></span> could be particularly bad values (i.e., <span class="katex"><span class="katex-mathml"><math><semantics><mrow><mo>(</mo><mi>w</mi><mi mathvarian
 t="normal">&#x2223;</mi><mi>z</mi><mo>)</mo><mo>=</mo><mn>0</mn></mrow><annotation encoding="application/x-tex">(w|z) = 0</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="strut" style="height:0.75em;"></span><span class="strut bottom" style="height:1em;vertical-align:-0.25em;"></span><span class="base textstyle uncramped"><span class="mopen">(</span><span class="mord mathit" style="margin-right:0.02691em;">w</span><span class="mord mathrm">&#x2223;</span><span class="mord mathit" style="margin-right:0.04398em;">z</span><span class="mclose">)</span><span class="mrel">=</span><span class="mord mathrm">0</span></span></span></span>), and <code>train_plsa()</code> sometimes fails with an exception like:</p>
+<pre><code>Perplexity would be Infinity. Try different mini-batch size `-s`, larger `-delta` and/or larger `-alpha`.
+</code></pre><p>In that case, you need to try different hyper-parameters to avoid overfitting as the exception suggests.</p>
+<p>For instance, <a href="http://qwone.com/~jason/20Newsgroups/" target="_blank">20 newsgroups dataset</a> which consists of 10906 realistic documents empirically requires the following options:</p>
+<pre><code class="lang-sql"><span class="hljs-keyword">SELECT</span> train_plsa(features, <span class="hljs-string">&quot;-topics 20 -iter 10 -s 128 -delta 0.01 -alpha 512 -eps 0.1&quot;</span>)
+</code></pre>
+<p>Clearly, <code>alpha</code> is much larger than <code>0.01</code> which was used for the dummy data above. Let you keep in mind that an appropriate value of <code>alpha</code> highly depends on the number of documents and mini-batch size.
 <div id="page-footer"><hr><!--
   Licensed to the Apache Software Foundation (ASF) under one
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[3/9] incubator-hivemall-site git commit: Fixed pLSA documentation

Posted by my...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/search_index.json
----------------------------------------------------------------------
diff --git a/userguide/search_index.json b/userguide/search_index.json
index a8010f0..568b0df 100644
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<TRUNCATED>


[9/9] incubator-hivemall-site git commit: Fixed pLSA documentation

Posted by my...@apache.org.
Fixed pLSA documentation


Project: http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/commit/d2019181
Tree: http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/tree/d2019181
Diff: http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/diff/d2019181

Branch: refs/heads/asf-site
Commit: d20191813548624edde2f98630ee5557a61fc8a0
Parents: 15b9991
Author: myui <yu...@gmail.com>
Authored: Tue May 9 17:31:22 2017 +0900
Committer: myui <yu...@gmail.com>
Committed: Tue May 9 17:31:22 2017 +0900

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 userguide/binaryclass/kdd2010a.html                     |  2 +-
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 userguide/binaryclass/kdd2010b.html                     |  2 +-
 userguide/binaryclass/kdd2010b_arow.html                |  2 +-
 userguide/binaryclass/kdd2010b_dataset.html             |  2 +-
 userguide/binaryclass/news20.html                       |  2 +-
 userguide/binaryclass/news20_adagrad.html               |  2 +-
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 userguide/binaryclass/webspam_scw.html                  |  2 +-
 userguide/clustering/lda.html                           | 12 ++++++------
 userguide/clustering/plsa.html                          | 10 ++++++++--
 userguide/docker/getting_started.html                   |  2 +-
 userguide/eval/auc.html                                 |  2 +-
 userguide/eval/datagen.html                             |  2 +-
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 userguide/misc/tokenizer.html                           |  2 +-
 userguide/misc/topk.html                                |  2 +-
 userguide/multiclass/iris.html                          |  2 +-
 userguide/multiclass/iris_dataset.html                  |  2 +-
 userguide/multiclass/iris_randomforest.html             |  2 +-
 userguide/multiclass/iris_scw.html                      |  2 +-
 userguide/multiclass/news20.html                        |  2 +-
 userguide/multiclass/news20_dataset.html                |  2 +-
 userguide/multiclass/news20_ensemble.html               |  2 +-
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 .../multiclass/news20_one-vs-the-rest_dataset.html      |  2 +-
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 userguide/recommend/cf.html                             |  2 +-
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 userguide/recommend/movielens.html                      |  2 +-
 userguide/recommend/movielens_cv.html                   |  2 +-
 userguide/recommend/movielens_dataset.html              |  2 +-
 userguide/recommend/movielens_fm.html                   |  2 +-
 userguide/recommend/movielens_mf.html                   |  2 +-
 userguide/recommend/news20.html                         |  2 +-
 userguide/recommend/news20_bbit_minhash.html            |  2 +-
 userguide/recommend/news20_jaccard.html                 |  2 +-
 userguide/recommend/news20_knn.html                     |  2 +-
 userguide/regression/e2006.html                         |  2 +-
 userguide/regression/e2006_arow.html                    |  2 +-
 userguide/regression/e2006_dataset.html                 |  2 +-
 userguide/regression/kddcup12tr2.html                   |  2 +-
 userguide/regression/kddcup12tr2_adagrad.html           |  2 +-
 userguide/regression/kddcup12tr2_dataset.html           |  2 +-
 userguide/regression/kddcup12tr2_lr.html                |  2 +-
 userguide/regression/kddcup12tr2_lr_amplify.html        |  2 +-
 userguide/search_index.json                             |  2 +-
 userguide/spark/binaryclass/a9a_df.html                 |  2 +-
 userguide/spark/binaryclass/index.html                  |  2 +-
 userguide/spark/getting_started/index.html              |  2 +-
 userguide/spark/getting_started/installation.html       |  2 +-
 userguide/spark/misc/functions.html                     |  2 +-
 userguide/spark/misc/misc.html                          |  2 +-
 userguide/spark/misc/topk_join.html                     |  2 +-
 userguide/spark/regression/e2006_df.html                |  2 +-
 userguide/tips/addbias.html                             |  2 +-
 userguide/tips/emr.html                                 |  2 +-
 userguide/tips/ensemble_learning.html                   |  2 +-
 userguide/tips/general_tips.html                        |  2 +-
 userguide/tips/hadoop_tuning.html                       |  2 +-
 userguide/tips/index.html                               |  2 +-
 userguide/tips/mixserver.html                           |  2 +-
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 userguide/tips/rt_prediction.html                       |  2 +-
 userguide/troubleshooting/asterisk.html                 |  2 +-
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 userguide/troubleshooting/num_mappers.html              |  2 +-
 userguide/troubleshooting/oom.html                      |  2 +-
 102 files changed, 114 insertions(+), 108 deletions(-)
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/anomaly/changefinder.html
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diff --git a/userguide/anomaly/changefinder.html b/userguide/anomaly/changefinder.html
index df18423..460f9a9 100644
--- a/userguide/anomaly/changefinder.html
+++ b/userguide/anomaly/changefinder.html
@@ -2253,7 +2253,7 @@ 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/d2019181/userguide/binaryclass/kdd2010b_arow.html
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diff --git a/userguide/binaryclass/kdd2010b_arow.html b/userguide/binaryclass/kdd2010b_arow.html
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[6/9] incubator-hivemall-site git commit: Fixed pLSA documentation

Posted by my...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/geospatial/latlon.html
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diff --git a/userguide/geospatial/latlon.html b/userguide/geospatial/latlon.html
index 37e2eca..83a8d58 100644
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/getting_started/index.html
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diff --git a/userguide/getting_started/index.html b/userguide/getting_started/index.html
index 1a49427..a25dd28 100644
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/getting_started/input-format.html
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[5/9] incubator-hivemall-site git commit: Fixed pLSA documentation

Posted by my...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/multiclass/news20.html
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diff --git a/userguide/multiclass/news20.html b/userguide/multiclass/news20.html
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/multiclass/news20_dataset.html
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diff --git a/userguide/multiclass/news20_dataset.html b/userguide/multiclass/news20_dataset.html
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/multiclass/news20_ensemble.html
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/recommend/movielens_cv.html
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/recommend/movielens_dataset.html
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/recommend/movielens_fm.html
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[4/9] incubator-hivemall-site git commit: Fixed pLSA documentation

Posted by my...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/recommend/movielens_mf.html
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diff --git a/userguide/recommend/movielens_mf.html b/userguide/recommend/movielens_mf.html
index 2362479..7143292 100644
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/regression/kddcup12tr2_adagrad.html
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/regression/kddcup12tr2_lr.html
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diff --git a/userguide/regression/kddcup12tr2_lr.html b/userguide/regression/kddcup12tr2_lr.html
index 5847dee..e4e75ce 100644
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/regression/kddcup12tr2_lr_amplify.html
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[7/9] incubator-hivemall-site git commit: Fixed pLSA documentation

Posted by my...@apache.org.
http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/docker/getting_started.html
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http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/d2019181/userguide/ft_engineering/vectorization.html
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