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stopifnot
2013 Aug 20
7
Extending suggestion for stopifnot
I am using a variant of stopifnot a lot. can I suggest that base R
extends its functionality? I know how to do this for myself. this is
a suggestion for beginners and students. I don't think it would break
anything.
first, I think it would be more useful if it had an optional character
string, so users could write
stopifnot( is.matrix(m), "m is not a matrix" )
this would