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ENH: Allow start_params in GLM #1603
I think this should be
I added the test from #1604 which fails without the correct transform. I'm not really sure what else to do about the degenerate case here where the probability on one of the observations is pushed to 1 or 0.
This should be good to merge, and I'll leave that as an open problem. Hilbe comments in that blog post that they have an improved IRLS algorithm that doesn't fail, but I don't know what it is.