factorize: Attempt to convert grouping variables to factors
Description
If variables within a data frame are not factors, try to
convert them. Not intended for end-user use; this is
a utility function that needs to be exported, for technical reasons.
Usage
factorize(x,frloc,char.only=FALSE)
Arguments
char.only
(logical) convert only character
variables to factors?
Value
a copy of the data frame with factors converted