s********e 发帖数: 68 | 1 请问在stata里面,做一个简单的poisson regression, 如何做goodness of fit test
来检验
adequency of the model。
stata output好像没有给出这个output。
谢谢各位 | s*********e 发帖数: 1051 | 2 follow is copied from one of my paper and hope it helpful.
"
To evaluate the goodness-of-fit of a regression for count data, the most
popular but somewhat problematic practice is to compare the predicted and
observed values of the dependent variable. However, a measure of
goodness-of-fit solely based upon the expected value is unable to address
the improvement achieved by a model with less restrictive variance
assumption. A better alternative is to compare the predicted and observed
prob | s**********e 发帖数: 63 | |
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