Description Usage Arguments Value
make NA+NA=0 and NA+(not NA)=0 instead of NA+NA=NA and NA+(not NA)=NA
1 | e1 %plus% e2
|
e1 |
numeric |
e2 |
numeric |
numeric, the sum of "e1" and "e2". The length of the returned vector is the same length as the longest of "e1" or "e2".
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