[R] How to append to a data.frame?

[Prof Brian Ripley]

On Tue, 9 Dec 2003, David Kreil wrote:

> Yes, once I've named the first column, I can add further ones by saying 
> d[c("x","y","z")]=NA or such. I was just wondering whether that was the way to 
> do it or whether there was a more elegant approach. Preallocation was the 
> critical clue I needed.

Use an initial data.frame call naming all the columns.

-- 
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)
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