Deriving p-values PreviousNext
Mplus Discussion > Latent Variable Mixture Modeling >
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 Jon Heron 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;

and

c#1 c#2 c#3 on covariate@0;

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.

Many thanks


Jon
 Linda K. Muthen posted on Tuesday, February 27, 2007 - 2:58 pm
-2 times the loglikelihood difference is approximately equal to z square.
 Jon Heron posted on Thursday, March 01, 2007 - 6:59 am
Simple as that!
Many thanks


J
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