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Message/Author
 Chien-Ti Lee posted on Friday, October 22, 2010 - 6:31 pm
Hi Dear Drs. Muthen,

I am trying to model a four-class discrete-time survival anlaysis by combining syntax from LCA and discrete-time survial anlaysis together. I notice that I am not able to requset LOGRANK and Plot2 as what I can do in LCA + cox regression.

classes = c(4);

analysis:
type=mixture missing;
Miterations =500;
Mconvergence=0.00001;
LogCriterion=0.00001;
Convergence= 0.00001;
processors=4 (starts);

model:
%overall%
f by w2-w6 @1;
f on c x1-x4;
c on x1-4;
[f];

output: tech1 LOGRANK;
PLOT: TYPE=PLOT2;

I wonder wherether there are alternative codes I should use to recive the logrank test and survival probabilities for each class at different time points?

Thank you very much,

Chien-Ti
 Linda K. Muthen posted on Sunday, October 24, 2010 - 3:09 pm
You cannot use a categorical latent variable as a covariate. If this does not solve the problem, please send the output and your license number to support@statmodel.com.
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