[SPARK-6496] [MLLIB] GeneralizedLinearAlgorithm.run(input, initialWeights) should initialize numFeatures#5167
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[SPARK-6496] [MLLIB] GeneralizedLinearAlgorithm.run(input, initialWeights) should initialize numFeatures#5167yanboliang wants to merge 1 commit into
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yanboliang
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Test build #29084 has started for PR 5167 at commit
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Ah! I get it now. This check is only carried out in one of the two run() methods. LGTM.
yanboliang
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Test build #29084 has finished for PR 5167 at commit
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asfgit
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Mar 25, 2015
…ghts) should initialize numFeatures In GeneralizedLinearAlgorithm ```numFeatures``` is default to -1, we need to update it to correct value when we call run() to train a model. ```LogisticRegressionWithLBFGS.run(input)``` works well, but when we call ```LogisticRegressionWithLBFGS.run(input, initialWeights)``` to train multiclass classification model, it will throw exception due to the numFeatures is not updated. In this PR, we just update numFeatures at the beginning of GeneralizedLinearAlgorithm.run(input, initialWeights) and add test case. Author: Yanbo Liang <ybliang8@gmail.com> Closes #5167 from yanboliang/spark-6496 and squashes the following commits: 8131c48 [Yanbo Liang] LogisticRegressionWithLBFGS.run(input, initialWeights) should initialize numFeatures (cherry picked from commit 10c7860) Signed-off-by: Sean Owen <sowen@cloudera.com>
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In GeneralizedLinearAlgorithm
numFeaturesis default to -1, we need to update it to correct value when we call run() to train a model.LogisticRegressionWithLBFGS.run(input)works well, but when we callLogisticRegressionWithLBFGS.run(input, initialWeights)to train multiclass classification model, it will throw exception due to the numFeatures is not updated.In this PR, we just update numFeatures at the beginning of GeneralizedLinearAlgorithm.run(input, initialWeights) and add test case.