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  1. I have been told that Nagelkerke should not be used in a model of binary logistic regression, but instead a R2 as a measure of goodness of fit. So, how can I apply R2 if I am not using a linear regression.

  2. How can I compare 2 or 3 models of binary logistic regression? is there any software?

Thanks!

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  • $\begingroup$ Best not to ask two separate questions in one post. I have proposed what I believe is a duplicate for your first question. Consider asking your second question in a separate post. If you do so, please specify whether your models are nested, which makes a difference. We likely won't concentrate on software, but on the underlying statistical theory. $\endgroup$ – S. Kolassa - Reinstate Monica Sep 11 at 18:54
  • $\begingroup$ Thanks, I will split my question in two posts $\endgroup$ – Elda Pacheco Sep 11 at 19:09

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