Behaviour of exists(x) for length(x) > 1

classic Classic list List threaded Threaded
1 message Options
Reply | Threaded
Open this post in threaded view
|

Behaviour of exists(x) for length(x) > 1

Hugh Parsonage
It seems that exists accepts character vectors of lengths other than
one, but discards all but the first element without an error or
warning.  Is this intended?  The name "exists" is in the singular, so
it's not surprising that it only contemplates the length-one instance
but in the absence of an error or warning it may be an improvement to
mention what happens when length(x) > 1.

exists(as.character(substitute(doesntexist + absenttoo)))

Best,

Hugh

______________________________________________
[hidden email] mailing list
https://stat.ethz.ch/mailman/listinfo/r-devel