m*****e
发帖数: 13 | 1 Deal All,
I want to ask a stupid question about the null model fit statistics in proc
logistic. I want to get the -2LogL of the null model. I thought there are
two ways to do that.
1) Run the model without specifying any independent variable, i.e.
proc logistic data = mydata descending;model youtcome = /firth;run;
In the output, I found:
Model Convergence Status
Convergence criterion (GCONV=1E-8) satisfied.
-2 Log L = 38.858
2) Run the model by specifying independen | m*****e
发帖数: 13 | 2 Can anybody help me?
If I turn off the "Firth" then the two null model fit statistics are the
same (-2LOG L). But my data has quasi-complete problem and "Firth" should
give me more reliable results.
Thanks! |
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