Re: [R] column name handling and long labels

From: Gabor Grothendieck <>
Date: Thu, 21 Feb 2008 08:32:18 -0500

On Thu, Feb 21, 2008 at 6:09 AM, Werner Wernersen <> 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 mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Thu 21 Feb 2008 - 13:54:16 GMT

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