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Posted to reviews@spark.apache.org by wangmiao1981 <gi...@git.apache.org> on 2017/02/17 00:10:58 UTC
[GitHub] spark pull request #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinea...
GitHub user wangmiao1981 opened a pull request:
https://github.com/apache/spark/pull/16969
[SPARK-19639][SPARKR][Example]:Add spark.svmLinear example and update vignettes
## What changes were proposed in this pull request?
We recently add the spark.svmLinear API for SparkR. We need to add an example and update the vignettes.
## How was this patch tested?
Manually run example.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wangmiao1981/spark example
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16969.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #16969
----
commit 6e54a4d0c2f05cb017b3ce4ce105a723d03a9306
Author: wm624@hotmail.com <wm...@hotmail.com>
Date: 2017-02-17T00:07:39Z
add example and vignnettes
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/16969
**[Test build #73040 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/73040/testReport)** for PR 16969 at commit [`959b0a1`](https://github.com/apache/spark/commit/959b0a11892dd54035783595109366199486d544).
* This patch passes all tests.
* This patch merges cleanly.
* This patch adds no public classes.
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by felixcheung <gi...@git.apache.org>.
Github user felixcheung commented on the issue:
https://github.com/apache/spark/pull/16969
I assume 2c3 is before you rebase.
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:
https://github.com/apache/spark/pull/16969
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by felixcheung <gi...@git.apache.org>.
Github user felixcheung commented on the issue:
https://github.com/apache/spark/pull/16969
are we merging this after #16968?
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/16969
**[Test build #73025 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/73025/testReport)** for PR 16969 at commit [`6e54a4d`](https://github.com/apache/spark/commit/6e54a4d0c2f05cb017b3ce4ce105a723d03a9306).
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[GitHub] spark pull request #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinea...
Posted by felixcheung <gi...@git.apache.org>.
Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/16969#discussion_r101683604
--- Diff: R/pkg/vignettes/sparkr-vignettes.Rmd ---
@@ -564,6 +566,26 @@ model <- spark.logit(df, Species ~ ., regParam = 0.056)
summary(model)
```
+#### Linear Support Vector Machine (SVM) Classifier
+
+[Linear Support Vector Machine (SVM)](https://en.wikipedia.org/wiki/Support_vector_machine#Linear_SVM) classifier is an SVM classifier with linear kernel.
+This is a binary classifier. Multi-class classification can be achieved by one-vs-the-rest strategy. We use a simple example to show how to use `spark.svmLinear`
+for binary classification.
+
+```{r}
+# load training data and create a DataFrame
+t <- as.data.frame(Titanic)
+training <- createDataFrame(t)
+# fit a Linear SVM classifier model
+model <- spark.svmLinear(training, Survived ~ ., regParam = 0.01)
--- End diff --
should it go with `maxIter = 10` here too?
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:
https://github.com/apache/spark/pull/16969
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[GitHub] spark pull request #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinea...
Posted by felixcheung <gi...@git.apache.org>.
Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/16969#discussion_r101683410
--- Diff: R/pkg/vignettes/sparkr-vignettes.Rmd ---
@@ -564,6 +566,26 @@ model <- spark.logit(df, Species ~ ., regParam = 0.056)
summary(model)
```
+#### Linear Support Vector Machine (SVM) Classifier
+
+[Linear Support Vector Machine (SVM)](https://en.wikipedia.org/wiki/Support_vector_machine#Linear_SVM) classifier is an SVM classifier with linear kernel.
--- End diff --
`linear kernels`?
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/16969
**[Test build #73072 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/73072/testReport)** for PR 16969 at commit [`864f2c3`](https://github.com/apache/spark/commit/864f2c3f52c76b2cb14cd0b723aa112051fbcf5e).
* This patch passes all tests.
* This patch **does not merge cleanly**.
* This patch adds no public classes.
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/16969
**[Test build #73077 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/73077/testReport)** for PR 16969 at commit [`ab252ee`](https://github.com/apache/spark/commit/ab252eebe82bd309e07d732fe1d8201e9c2c5508).
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/16969
**[Test build #73025 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/73025/testReport)** for PR 16969 at commit [`6e54a4d`](https://github.com/apache/spark/commit/6e54a4d0c2f05cb017b3ce4ce105a723d03a9306).
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Posted by AmplabJenkins <gi...@git.apache.org>.
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https://github.com/apache/spark/pull/16969
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[GitHub] spark pull request #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinea...
Posted by felixcheung <gi...@git.apache.org>.
Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/16969#discussion_r101683369
--- Diff: R/pkg/vignettes/sparkr-vignettes.Rmd ---
@@ -471,6 +471,8 @@ SparkR supports the following machine learning models and algorithms.
* Logistic Regression
+* Linear Support Vector Machine (SVM) Classifier
--- End diff --
shouldn't `Linear` go before `Logistic`?
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[GitHub] spark pull request #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinea...
Posted by felixcheung <gi...@git.apache.org>.
Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/16969#discussion_r101851925
--- Diff: examples/src/main/r/ml/svmLinear.R ---
@@ -0,0 +1,41 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# To run this example use
+# ./bin/spark-submit examples/src/main/r/ml/svmLinear.R
+
+# Load SparkR library into your R session
+library(SparkR)
+
+# Initialize SparkSession
+sparkR.session(appName = "SparkR-ML-svmLinear-example")
+
+# $example on$
+# load training data
+t <- as.data.frame(Titanic)
+training <- createDataFrame(t)
+
+# fit Linear SVM model
+model <- spark.svmLinear(training, Survived ~ ., regParam = 0.01, maxIter = 10)
+
+# Model summary
+summary(model)
+
+# Prediction
+prediction <- predict(model, training)
+showDF(prediction)
+# $example off$
--- End diff --
add `sparkR.session.stop()` at the end
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/16969
**[Test build #73072 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/73072/testReport)** for PR 16969 at commit [`864f2c3`](https://github.com/apache/spark/commit/864f2c3f52c76b2cb14cd0b723aa112051fbcf5e).
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/16969
**[Test build #73040 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/73040/testReport)** for PR 16969 at commit [`959b0a1`](https://github.com/apache/spark/commit/959b0a11892dd54035783595109366199486d544).
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[GitHub] spark pull request #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinea...
Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/16969
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by felixcheung <gi...@git.apache.org>.
Github user felixcheung commented on the issue:
https://github.com/apache/spark/pull/16969
merged to master. I figure you could update the programming guide after the other PR is merged
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[GitHub] spark pull request #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinea...
Posted by felixcheung <gi...@git.apache.org>.
Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/16969#discussion_r101683657
--- Diff: examples/src/main/r/ml/svmLinear.R ---
@@ -0,0 +1,41 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# To run this example use
+# ./bin/spark-submit examples/src/main/r/ml/svmLinear.R
+
+# Load SparkR library into your R session
+library(SparkR)
+
+# Initialize SparkSession
+sparkR.session(appName = "SparkR-ML-svmLinear-example")
+
+# $example on$
+# load training data
+t <- as.data.frame(Titanic)
+training <- createDataFrame(t)
+
+# fit linearSvc model
--- End diff --
`linearSvc` -> `svmLinear`? or `Linear SVM`?
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:
https://github.com/apache/spark/pull/16969
**[Test build #73077 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/73077/testReport)** for PR 16969 at commit [`ab252ee`](https://github.com/apache/spark/commit/ab252eebe82bd309e07d732fe1d8201e9c2c5508).
* This patch passes all tests.
* This patch merges cleanly.
* This patch adds no public classes.
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[GitHub] spark pull request #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinea...
Posted by felixcheung <gi...@git.apache.org>.
Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/16969#discussion_r101683480
--- Diff: R/pkg/vignettes/sparkr-vignettes.Rmd ---
@@ -564,6 +566,26 @@ model <- spark.logit(df, Species ~ ., regParam = 0.056)
summary(model)
```
+#### Linear Support Vector Machine (SVM) Classifier
+
+[Linear Support Vector Machine (SVM)](https://en.wikipedia.org/wiki/Support_vector_machine#Linear_SVM) classifier is an SVM classifier with linear kernel.
+This is a binary classifier. Multi-class classification can be achieved by one-vs-the-rest strategy. We use a simple example to show how to use `spark.svmLinear`
--- End diff --
we actually don't have support for `one-vs-the-rest strategy` in R at the moment (existing JIRA or design still open), so perhaps it's best we don't reference that here
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[GitHub] spark pull request #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinea...
Posted by felixcheung <gi...@git.apache.org>.
Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/16969#discussion_r101851832
--- Diff: R/pkg/vignettes/sparkr-vignettes.Rmd ---
@@ -564,6 +566,26 @@ model <- spark.logit(df, Species ~ ., regParam = 0.056)
summary(model)
```
+#### Linear Support Vector Machine (SVM) Classifier
--- End diff --
this feels minor to me, but there was feedback that these section should be in the same order they are listed (ie sorted alphabetically)
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by AmplabJenkins <gi...@git.apache.org>.
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https://github.com/apache/spark/pull/16969
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:
https://github.com/apache/spark/pull/16969
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:
https://github.com/apache/spark/pull/16969
Test PASSed.
Refer to this link for build results (access rights to CI server needed):
https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/73077/
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[GitHub] spark issue #16969: [SPARK-19639][SPARKR][Example]:Add spark.svmLinear examp...
Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:
https://github.com/apache/spark/pull/16969
Merged build finished. Test PASSed.
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