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Latent Variable Mixture Modeling
posted on Tuesday, February 27, 2007 - 10:24 am
I know p-value is a 4-letter word nowadays but I still decided to derive some for my current model.
I'm assuming that all I need to do is examine the change in likelihood between
c#1 c#2 c#3 on covariate;
c#1 c#2 c#3 on
and derive a chi-square stat from this.
Experimenting with a simple logistic model and comparing results with SPSS showed that the results were not in total agreement (although reasonably close) so i wonder if I'm not doing this exactly right.
Linda K. Muthen
posted on Tuesday, February 27, 2007 - 2:58 pm
-2 times the loglikelihood difference is approximately equal to z square.
posted on Thursday, March 01, 2007 - 6:59 am
Simple as that!
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