[R] tapply slow?
tlumley at u.washington.edu
Wed Jul 24 17:28:27 CEST 2002
On Wed, 24 Jul 2002, Meinhard Ploner wrote:
> If I call the function tapply
> tapply(x, fact, sum)
> with arguments of length 500000 the function works very slow.
> Is there an alternative to get the same results?
> The factor has about 100000 levels.
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