cbind2: cbind if first argument might be NULL
Description
cbind, but return the second argument if the first is NULL
Usage
cbind2(mat_or_NULL, to_add)
Value
cbind(mat_or_NULL, to_add), or just to_add if the first argument is NULL.
Arguments
- mat_or_NULL
NULL or a numeric matrix
- to_add
A numeric matrix with the same number of rows as mat_or_NULL