[R] Finding all rows of a matrix equal to vector
lerch at lavabit.com
Sat Jul 16 11:29:02 CEST 2011
my question might be very trivial, but I could not come up with an answer...
I want to find out how often a matrix contains a certain vector as row:
How can I find out, how many times x1 is a row of A?
Thanks in advance and best regards,
More information about the R-help