Re: [R] Comparing differences in AUC from 2 different models

2008-07-17 Thread Frank E Harrell Jr
Monica Pisica wrote: Hi, I would like to compare differences in AUC from 2 different models, glm and gam for predicting presence / absence. I know that in theory the model with a higher AUC is better, but what I am interested in is if statistically the increase in AUC from the glm model to th

[R] Comparing differences in AUC from 2 different models

2008-07-17 Thread Monica Pisica
Hi, I would like to compare differences in AUC from 2 different models, glm and gam for predicting presence / absence. I know that in theory the model with a higher AUC is better, but what I am interested in is if statistically the increase in AUC from the glm model to the gam model is signifi