[ https://issues.apache.org/jira/browse/MAHOUT-1936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Trevor Grant resolved MAHOUT-1936. ---------------------------------- Resolution: Fixed > FactorMap finds column maximums incorrectly on large data sets > -------------------------------------------------------------- > > Key: MAHOUT-1936 > URL: https://issues.apache.org/jira/browse/MAHOUT-1936 > Project: Mahout > Issue Type: Bug > Components: Algorithms > Affects Versions: 0.13.0 > Reporter: Trevor Grant > Assignee: Trevor Grant > Fix For: 0.13.0 > > > FactorMap's fit method does not properly find the maximum of the column. > Likely due to an impropper allreduceBlock here > https://github.com/apache/mahout/blob/master/math-scala/src/main/scala/org/apache/mahout/math/algorithms/preprocessing/AsFactor.scala#L40 > Also, factorMap in this instance might be more appropriately named "factorMax" -- This message was sent by Atlassian JIRA (v6.3.15#6346)