search for: prox_mn

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2008 Sep 23
1
Create groups from data to compute lm?
...PriNo pri1234 pri_ex sc_ex Sc_ex_pri sc_ec_p1234 PD LPI ED LSI 1 3 25 1 1 3251 251 1 1 26 125 1125 1125 21.6565 62.6602 82.0769 15.8792 2 3 25 1 1 3251 251 1 1 26 125 1125 1125 19.3076 27.6264 111.2014 20.7889 PAFRAC PROX_MN ENN_MN CONTAG pfor purban 1 1.440 319.6529 114.8314 62.0965 69.4891 12.3124 2 1.467 396.1949 105.3712 52.9186 38.1179 15.1906 I tried using: all.lm <- (pfor~PD, data = all, subset=(ex_bin==250)) but this resulted in a bogus analysis filed with 'NAs'. I then tried to use getGroups....