aggregate package version

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Tim Hesterberg

Oct 14, 2012, 5:58:37 PM10/14/12
I've put version of the aggregate package on page

This is faster than earlier versions in a number of ways.
More computations are done in C code, this avoids slow operations
on data frames, and this avoids converting objects to factors if
that is not necessary.

Tim Hesterberg
2628 31st Ave W, Seattle, WA 98199-3338
+1-206-285-1625 (h), +1-206-552-8468 (m), +1-206-876-1790 (w except Tuesdays)
(resampling, water bottle rockets, computers to Costa Rica, hot shower = 2650 light bulbs, ...)

Help your students understand statistics:
Mathematical Statistics with Resampling and R, Chihara & Hesterberg

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