Misleading JavaDoc comment in FPGrowth
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Key: MAHOUT-355
URL: https://issues.apache.org/jira/browse/MAHOUT-355
Project: Mahout
Issue Type: Bug
Components: Frequent Itemset/Association Rule Mining
Affects Versions: 0.3, 0.2
Reporter: Sebastian Schelter
Priority: Trivial
The JavaDoc for
org.apache.mahout.fpm.pfpgrowth.fpgrowth.FPGrowth.generateTopKFrequentPatterns(...)
states that if the parameter returnableFeatures is null then patterns for
every frequent item are generated.
But this works only if you give the method an empty set, submitting null
results in a NullPointerException. Either change the comment or do a null check
here.
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