摘自https://www.stata.com/statalist/archive/2011-07/msg00935.html
RE: st: Accuracy table after mlogit
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You can do this by hand. I first show how you can recreate the -estat
classification- results for -logit- (not all the concomitant
statistics, but you can do those easily as well), and then follow the
same procedure for -mlogit-. Note that the way the predicted choices
are computed (the choice corresponding to the maximum predicted
probability) is in no way the only way to compute predicted
multinomial choices: