OK it's actually documented:
The data frame method works by pasting together a character
representation of the rows separated by ‘\r’, so may be imperfect
if the data frame has characters with embedded carriage returns or
columns which do not reliably map to characters.
But w
Hi,
The trick used by duplicated.data.frame() is to transform the supplied
data.frame into a character vector by pasting together the columns using
"\r" as separator. But no precautions are taken to deal with "\r" in
the supplied data.frame. As a consequence it's easy to imagine
situations where
I did. Nowhere does it explicitly say it is only for Windows, and one of the
arguments also mentions BASH in it, so that made me assume it works for Linux.
From: r-devel-boun...@r-project.org [r-devel-boun...@r-project.org] on behalf
of Prof Brian Ripley
You should read the documentation. shell() is specific to Windows, as
on all other platforms system() runs a shell. (This is an OS-level
difference: Windows is not POSIX compliant.)
See also the manuals, e.g.
http://cran.r-project.org/doc/manuals/r-release/R-exts.html#Operating-system-access
Hello,
Using R for Windows, I am able to use the shell function :
R version 3.0.1 (2013-05-16) -- "Good Sport"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64 (64-bit)
... ...
> shell()
Error in shel
