Github user mbofb commented on the pull request:
https://github.com/apache/spark/pull/4675#issuecomment-74949165
description of RowMatrix. computePrincipalComponents or RowMatrix in
general:
I got a Exception.
java.lang.IllegalArgumentException: Argument with more than 65535 cols:
7949273
at
org.apache.spark.mllib.linalg.distributed.RowMatrix.checkNumColumns(RowMatrix.scala:131)
at
org.apache.spark.mllib.linalg.distributed.RowMatrix.computeCovariance(RowMatrix.scala:318)
at
org.apache.spark.mllib.linalg.distributed.RowMatrix.computePrincipalComponents(RowMatrix.scala:373)
This 65535 cols restriction would be nice to be written in the doc (if this
still applies in 1.3).
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