search for: refencncing

Displaying 1 result from an estimated 1 matches for "refencncing".

2002 Mar 17
2
using "by" and indicies
I sent this to the list last week, and haven't seen it pop up. Either I deleted it when it did appear, or possibly it was destroyed as spam...? If it did appear and I somehow missed it, appologies. In a nutshell, can the function FUN supplied to by() deduce what level of factor by() was on when FUN was called? I've been digging through the functions, and can't see where the