Hi Prof. Ripley,
There is in fact a parallel source repository (see my initial email):
L:/R/src/contrib
I had also run tools:write_PACKAGES() therein, generating an empty PACKAGES
file as I have chosen not to release source packages.
I would like to make two comments.
First, I believe the
Hi all,
Where are the semantics for Ops.data.frame documented? I've tried
looking in ?Ops.data.frame, ?data.frame, the "R language definition"
(by searching for data frame), and "An Introduction to R" (similarly),
but haven't found anything. What am I missing?
Hadley
--
RStudio / Rice Univers
I apologize if this is not appropriate for this mailing list.
In R, there is already functionality to drop unused factor levels. However, I
am proposing the code below that I wrote. In some occasions, it was faster than
applying function 'factor'. In any case, there is no restriction for anyone