Hello all

I have a fit resulting from a call to glm. Now, I would like to extract the
model frame MF, and add some variables
from the original data frame DF. To do this, I need to know which rows in DF
correspond to rows in MF (since some were dropped by na.omit). How can I do
this? It's probably simple but the information is hard to find.


David Hugh-Jones
Post-doctoral Researcher
Max Planck Institute of Economics, Jena
http://davidhughjones.googlepages.com

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