Hello.
R is having some trouble installing a package because it passed arguments to
gcc which were non-existent directories and files. It also didn't find
g77, although it's in a directory in my $PATH; I tricked it by making a
sym link in /usr/bin.
What file does R get these parameters from
I want to eliminate certain observations in a large dataframe (21000x100).
I have written code which does this using a binary vector (0=delete obs,
1=keep), but it uses for loops, and so it's slow and in the extreme it
causes R to hang for indefinite time periods.
I'm looking for one of two thin
