Thanks for the replies! Obviously I must have used to wrong search
terms - sorry.
@greg: I care about the levels after the subset, because if they are
not dropped, then they still appear in the subsequent heatmap I make
with ggplot (with my read data-set of course). Admittedly I am quite
green, a
The advantage of computers is that they do exactly what they are told.
The disadvantage of computers is that they do exactly what they are told.
R is a set of instructions to the computer, those instructions are a
combinations from the original programmers and from you. Who should make
importan
Hi Ulrik
On Sat, Sep 4, 2010 at 12:52 PM, Ulrik Stervbo wrote:
> Dear List,
>
> When I subset a data.frame, the levels are not re-adjusted (see
> example). Why is this? Am I missing out on some basic stuff here?
Only that this issue has come up many times before, and that this list
is archived a
3 matches
Mail list logo
