The NEWS for R 4.0.0 says "R now uses a stringsAsFactors = FALSE
default, and hence by default no longer converts strings to factors in
calls to data.frame() and read.table()."
This seems to have been implemented by setting options(stringsAsFactors
= FALSE) in the main R profile. However, setting
options(stringsAsFactors = NULL)
reverts to the same behavior as the old options(stringsAsFactors =
TRUE). Is this intentional?
Duncan Murdoch
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