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discouraged
2013 Feb 02
1
best practice for packages using mclapply to avoid tcltk
...presence of tcltk and stop if it is found before
mclapply() is used.
I wish you would please review my suggestion below. Maybe checkForTcltk()
could be used in the parallel package. Otherwise, we are letting
people run with scissors.
There's a warning about this in ?mclapply
It is _strongly discouraged_ to use these functions in GUI or
embedded environments, because it leads to several processes
sharing the same GUI which will likely cause chaos (and possibly
crashes). Child processes should never use on-screen graphics
devices.(Warning in ?mclapply)
Bug report: (https://bugs.r-p...