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703
2011 Feb 28
1
Regression with many independent variables
Hi,
I am trying use lm() on some data, the code works fine but I would
like to use a more efficient way to do this.
The data looks like this (the data is very sparse with a few 1s, -1s
and the rest 0s):
> head(adj0708)
MARGIN Poss P235 P247 P703 P218 P430 P489 P83 P307 P337....
1 64.28571 29 0 0 0 0 0 0 0 0 0 0
0 0 0
2 -100.00000 6 0 0 0 0 0 0 0 1 0 0
0 0 0
3 100.00000 4 0 0 0 0 0 0 0 1 0 0
0 0 0
4 -33.33333 7 0 0...