hugh@p@r@on@ge @end|ng |rom gm@||@com
Mon Apr 13 13:20:26 CEST 2020
Further, in addition to the `val <- FALSE` patch a few hours ago by
Martin, the line after should also be changed
- if(!is.logical(val) || is.na(val) || length(val) != 1L)
+ if(!is.logical(val) || length(val) != 1L || is.na(val))
Sys.setenv("_R_CHECK_LENGTH_1_LOGIC2_" = "TRUE")
options(stringsAsFactors = c(TRUE, FALSE))
default.stringsAsFactors() # correct error message
On Mon, 13 Apr 2020 at 18:02, Martin Maechler
<maechler using stat.math.ethz.ch> wrote:
> >>>>> Duncan Murdoch
> >>>>> on Sun, 12 Apr 2020 08:57:14 -0400 writes:
> > 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?
> No! Thanks a lot for testing R 4.0.0 alpha/beta, noticing and
> alerting us about it.
> This will be changed ASAP.
> ... and it will benefit the whole R user community if quite a
> few good R users (as most readers of 'R-devel') would start
> using 'R 4.0.0 beta' routinely now --- thanks a lot in advance!
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