[R-pkgs] New package: plyr

From: hadley wickham <h.wickham_at_gmail.com>
Date: Tue, 30 Sep 2008 09:55:31 -0500

plyr is a set of tools that solves a common set of problems: you need to break a big problem down into manageable pieces, operate on each pieces and then put all the pieces back together. It's already possible to do this with split and the apply functions, but plyr just makes it all a bit easier with:

plyr functions are named according to the type of object they input (first letter) and output (second letter):

plyr also provides:

You can find out more at http://had.co.nz/plyr/, including a 20 page introductory guide, http://had.co.nz/plyr/plyr-intro.pdf.




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Received on Wed 01 Oct 2008 - 01:01:53 EST

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