[R] Why predicted values are fewer that the real?
lkaimaka at windowslive.com
Fri Mar 2 17:19:26 CET 2012
i am running a glm model family Gamma(link=log) trying to predict a vector
of 1554 (real) values
Using predict() i got a vector of 950 predicted values instead of 1554.
The predictions are good though
The model doesnt take account of negative values and NAs which are only 121
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