Displaying 1 result from an estimated 1 matches for "transformierung".
2007 Dec 26
1
data.frame - how to calculate the number of rows
Hello,
it seems to be a simple problem, but I couldn't find an answer in the
archiv. (I think, it must has something to do with the group-select, like in
php)
I've the following data.frame:
A B C
1 3 6 5
2 4 4 20
3 5 8 2
I want to get the number of the