Displaying 1 result from an estimated 1 matches for "do_calcul".
Did you mean:
do_calc
2005 Jul 07
3
xmat[1, 2:3] <- NULL
I have a situation where I'm filling out a dataframe
from a database. Sometimes the database query doesn't
get anything, so I end up trying to place NULL in the
dataframe like below.
> temp <- NULL
> xmat <- as.data.frame(matrix(NA, 2, 3))
> xmat[1, 2:3] <- temp
Error in if (m < n * p && (n * p)%%m)
stop(gettextf("replacement has %d items, need %d",