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https://issues.apache.org/jira/browse/MAHOUT-918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13168091#comment-13168091
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[email protected] commented on MAHOUT-918:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/3072/#review3869
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trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/PassiveAggressiveMapper.java
<https://reviews.apache.org/r/3072/#comment8694>
This is a useless comment. The name says the same thing. Just putting in
comments like this to satisfy a request for comments is very frustrating
behavior.
WHAT DOES THIS CODE INTEND TO DO AND WHY?
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/PassiveAggressiveReducer.java
<https://reviews.apache.org/r/3072/#comment8695>
Same comment. This is not a comment. This is a repetition. It adds
nothing and shouldn't be here.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/SGDDriver.java
<https://reviews.apache.org/r/3072/#comment8696>
HOW AND WHY?
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/SGDDriver.java
<https://reviews.apache.org/r/3072/#comment8697>
How does the updat ework?
How is the request for using the final iteration as initial weights made?
Why does it work this way?
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/SGDDriver.java
<https://reviews.apache.org/r/3072/#comment8698>
Iterations of what?
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/SGDDriver.java
<https://reviews.apache.org/r/3072/#comment8699>
This is another non-comment.
- Ted
On 2011-12-12 11:51:59, issei yoshida wrote:
bq.
bq. -----------------------------------------------------------
bq. This is an automatically generated e-mail. To reply, visit:
bq. https://reviews.apache.org/r/3072/
bq. -----------------------------------------------------------
bq.
bq. (Updated 2011-12-12 11:51:59)
bq.
bq.
bq. Review request for mahout.
bq.
bq.
bq. Summary
bq. -------
bq.
bq. MAHOUT-918 Parallelized SGD in MapReduce
bq.
bq.
bq. This addresses bug MAHOUT-918.
bq. https://issues.apache.org/jira/browse/MAHOUT-918
bq.
bq.
bq. Diffs
bq. -----
bq.
bq.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/PassiveAggressive.java
1213193
bq.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/AdaptiveLogisticRegressionDriver.java
PRE-CREATION
bq.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/AdaptiveLogisticRegressionMapper.java
PRE-CREATION
bq.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/AdaptiveLogisticRegressionReducer.java
PRE-CREATION
bq.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/LogisticRegressionDriver.java
PRE-CREATION
bq.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/LogisticRegressionMapper.java
PRE-CREATION
bq.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/LogisticRegressionReducer.java
PRE-CREATION
bq.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/PassiveAggressiveDriver.java
PRE-CREATION
bq.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/PassiveAggressiveMapper.java
PRE-CREATION
bq.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/PassiveAggressiveReducer.java
PRE-CREATION
bq.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/SGDDriver.java
PRE-CREATION
bq.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/SGDMapper.java
PRE-CREATION
bq.
trunk/core/src/main/java/org/apache/mahout/classifier/sgd/mapreduce/SGDReducer.java
PRE-CREATION
bq.
trunk/core/src/test/java/org/apache/mahout/classifier/sgd/mapreduce/AdaptiveLogisticRegressionMapReduceTest.java
PRE-CREATION
bq.
trunk/core/src/test/java/org/apache/mahout/classifier/sgd/mapreduce/LogisticRegressionMapReduceTest.java
PRE-CREATION
bq.
trunk/core/src/test/java/org/apache/mahout/classifier/sgd/mapreduce/PassiveAggressiveMapReduceTest.java
PRE-CREATION
bq.
trunk/core/src/test/java/org/apache/mahout/classifier/sgd/mapreduce/SGDMapReduceTest.java
PRE-CREATION
bq.
bq. Diff: https://reviews.apache.org/r/3072/diff
bq.
bq.
bq. Testing
bq. -------
bq.
bq.
bq. Thanks,
bq.
bq. issei
bq.
bq.
> Implement SGD based classifiers using MapReduce
> -----------------------------------------------
>
> Key: MAHOUT-918
> URL: https://issues.apache.org/jira/browse/MAHOUT-918
> Project: Mahout
> Issue Type: New Feature
> Components: Classification
> Affects Versions: 0.6
> Reporter: issei yoshida
> Attachments: MAHOUT-918.patch, design.pdf
>
>
> Implement SGD based classifiers (Logistic Regression, Adaptive Logistic
> regression and Passive-Aggressive) using MapReduce.
> They are implemented using Iterative Parameter Mixtures algorithm which is
> referred to in the following papers.
> http://research.google.com/pubs/pub36948.html
> http://aclweb.org/anthology-new/N/N10/N10-1069.pdf
> http://books.nips.cc/papers/files/nips22/NIPS2009_0345.pdf
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