TITLE(codes @@ Factor Codes)
USAGE(
codes(x)
codes(x) <- y
)
ALIAS(codes)
VALUE(
THis function retrieves the underlying
integer codes used for the levels of a factor
and also be used to reset (a subset of) these codes.
)
EXAMPLES(
x <- gl(3,5,15)
codes(x)[3] <- 2
)
