Displaying 1 result from an estimated 1 matches for "tp3526332p3526332".
2011 May 16
2
conditional rowsums in sapply
...function(x) ifelse(any(!is.na(dfrm[
,grep(x, names(dfrm))])), rowSums(dfrm[ ,grep(x,
names(dfrm)),drop=FALSE],na.rm=TRUE),NA))
and it doesn't work.
Can someone please help me?
Thanks in advance.
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