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https://issues.apache.org/jira/browse/MAHOUT-1062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13557068#comment-13557068
]
Hudson commented on MAHOUT-1062:
--------------------------------
Integrated in Mahout-Quality #1828 (See
[https://builds.apache.org/job/Mahout-Quality/1828/])
MAHOUT-1062 alphaI is not correctly saved in NaiveBayesModel (Revision
1435047)
Result = SUCCESS
ssc : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1435047
Files :
*
/mahout/trunk/core/src/main/java/org/apache/mahout/classifier/naivebayes/training/TrainNaiveBayesJob.java
> alphaI is not correctly saved in NaiveBayesModel
> ------------------------------------------------
>
> Key: MAHOUT-1062
> URL: https://issues.apache.org/jira/browse/MAHOUT-1062
> Project: Mahout
> Issue Type: Bug
> Components: Classification
> Affects Versions: 0.7
> Reporter: David Engel
> Assignee: Sebastian Schelter
> Fix For: 0.8
>
>
> alphaI is passed in for training via the thetaSummer job configuration. When
> the model is saved, however, the wrong configuration is used causing the
> saved alphaI to always be 1.0. The following patch fixes the problem for me.
> diff -ur
> mahout-distribution-0.7.orig/core/src/main/java/org/apache/mahout/classifier/naivebayes/training/TrainNaiveBayesJob.java
>
> mahout-distribution-0.7/core/src/main/java/org/apache/mahout/classifier/naivebayes/training/TrainNaiveBayesJob.java
> ---
> mahout-distribution-0.7.orig/core/src/main/java/org/apache/mahout/classifier/naivebayes/training/TrainNaiveBayesJob.java
> 2012-06-12 03:32:17.000000000 -0500
> +++
> mahout-distribution-0.7/core/src/main/java/org/apache/mahout/classifier/naivebayes/training/TrainNaiveBayesJob.java
> 2012-08-28 13:06:11.000000000 -0500
> @@ -134,7 +134,7 @@
> }*/
>
> //validate our model and then write it out to the official output
> - NaiveBayesModel naiveBayesModel =
> BayesUtils.readModelFromDir(getTempPath(), getConf());
> + NaiveBayesModel naiveBayesModel =
> BayesUtils.readModelFromDir(getTempPath(), thetaSummer.getConfiguration());
> naiveBayesModel.validate();
> naiveBayesModel.serialize(getOutputPath(), getConf());
>
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