I have a hierarchical (nested multilevel) logistic model which I started running with glmer in lme4. glmer gave warnings about singular fit, which I understand can happen when the mode is at the boundary (zero), and which a bayesian fit would not have a problem with since the median and the mean wou…

Unexpected increase in computation time when data size increases

cluhmann June 30, 2022, 3:58am 2

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