> I'm not sure how you saw [the Hessian] used for fitting a logistic model Probably some 2nd derivative version of gradient descent or Newton's method. https:

> I'm not sure how you saw [the Hessian] used for fitting a logistic model Probably some 2nd derivative version of gradient descent or Newton's method. https://en.wikipedia.org/wiki/Newton%27s_method_in_optimization#Higher_dimensions https://en.wikipedia.org/wiki/Newton%27s_method_in_optimizat...