[R] McFadden Pseudo R2 with positive Likelihood??

knussear knussear at mac.com
Mon Feb 16 05:56:59 CET 2009


I'm calculating McFaddens pseudo R2 (1- (Lmodel/L0)) for some models, and i
ran into a model where the model of interest has a positive likelihood,
while the null has a negative. This of course results in odd values. I
searched the list, but find no help. Can anyone provide insight?


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