[R] attr function
ripley at stats.ox.ac.uk
Wed Feb 5 14:46:03 CET 2003
attr(attr(b, "terms"), "term.labels")
works, as I would have expected. This is part of the "terms" attribute,
not of the model frame per se.
On Wed, 5 Feb 2003, Shawn Way wrote:
> I've been trying unsuccessfully to extract the term labels from a model
> frame using the attr function.
> The code is as follows
> a <- data.frame(col1=c(1,2,3,2,1,3),col2=c(2,4,7,6,4,3))
> b <- model.frame(col2~col1,data=a)
> Now the term.labels attribute is col1, but how do I get this from the b data
> frame attributes?
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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