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I was totally unable to learn R until I discovered plyr, which, goes a long way to making those operations more generic.
by tel 14y ago
I was totally unable to learn R until I discovered plyr, which, goes a long way to making those operations more generic.
- disgruntledphd2 14y agoPlyr is wonderfully expressive, but it breaks down when you have hundreds of levels of a factor. tapply, on the other hand keeps trucking on up to a couple of thousand with very few problems. Hadley says that he may use data.table for plyr2 though, which would make my life a lot better.