Hello everyone,
I have the following call to sapply() and error message. Is the most
efficient way to deal with this to make sum(!is.na(x)) a function in a
separate line prior to this call? If not, please advise.
N.Valid=sapply(x,sum(!is.na(x)))
Error in match.fun(FUN) :
'sum(!is.na(x))' is not a function, character or symbol
Thanks!
Dan
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