Github user NarineK commented on the pull request:
https://github.com/apache/spark/pull/12966#issuecomment-217612497
Thanks, @shivaram !
I have one question regarding factor datatypes. It seems that SparkR
doesn't support it and we have to set: `stringsAsFactors = FALSE` in order to
avoid "UnsupportedType" exceptions in data.frame.
Is it possible to map factor to maybe to list or string ... ?
R's data.frame converts strings to factor ... , but a factor in general
doesn't have to be a string.
here is a snapshot from R's documentation:
`Character variables passed to data.frame are converted to factor columns
unless protected by I or argument stringsAsFactors is false.
`
https://stat.ethz.ch/R-manual/R-devel/library/base/html/data.frame.html
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