That's perfect! The subset way is very easy to use and
I have to play around a bit more with label() which
seems quite complex.
Thanks a million,
Werner
--- Gabor Grothendieck <[EMAIL PROTECTED]>
schrieb:
> On Thu, Feb 21, 2008 at 6:09 AM, Werner Wernersen
> <[EMAIL PROTECTED]> wrote:
> > Hi,
> >
> > I have two loosely related questions which could
> make
> > my live again a bit easier:
> >
> > 1) Is there a simple way to select a range of
> columns
> > in a data frame using column names?
> > I am thinking of something like
> mydf[1,"col4":"col8"]
>
> Try this using builtin data frame anscombe which has
> columns
> x1 to x4 followed by y1 to y4:
>
> subset(anscombe, select = x3:y2)
>
> >
> > 2) I have a data frame with many columns and they
> all
> > have short variable names which is good in most
> cases
> > but sometimes it would be nice to have also a
> longer
> > descriptive name / label attached to the variable
> > which could then be used for printing and latex
> > output. Has anybody come up with a convenient way
> to
> > do that?
> > Right now, I am using always match or merge in
> case of
> > row names.
> >
>
> See ?label in package Hmisc.
>
> > Many thanks,
> > Werner
>
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