Qiao Hu posted on Monday, September 19, 2011 - 6:23 am
I have 5 variables: V D A E C and centered the score of five variables, that is to say, the means of five variables is zero. Each variable correlate with the other four variables. I want to see the distribution of the five variables in the different latent group (class 2, class 3, class4 etc), then choose the most suitable class.
First, I choose two classes:
(1)I get such a warning, how to solve it?
WARNING: THE BEST LOGLIKELIHOOD VALUE WAS NOT REPLICATED. THE SOLUTION MAY NOT BE TRUSTWORTHY DUE TO LOCAL MAXIMA. INCREASE THE NUMBER OF RANDOM STARTS.
(2) Why I cannot find Chi-Square Test of Model Fit in the output?
Increase the starts to 500 125. You need to increase the starts until the best loglikelihood value is replicated.
Qiao Hu posted on Tuesday, September 20, 2011 - 9:20 am
This time I increase the number of variables from 5 to 7. I get such a warning, how to do with it?
THE STANDARD ERRORS OF THE MODEL PARAMETER ESTIMATES MAY NOT BE TRUSTWORTHY FOR SOME PARAMETERS DUE TO A NON-POSITIVE DEFINITE FIRST-ORDER DERIVATIVE PRODUCT MATRIX. THIS MAY BE DUE TO THE STARTING VALUES BUT MAY ALSO BE AN INDICATION OF MODEL NONIDENTIFICATION. THE CONDITION NUMBER IS -0.531D-21. PROBLEM INVOLVING PARAMETER 43.
Qiao Hu posted on Tuesday, September 20, 2011 - 9:33 am
How big STARTS I should use? Because I increase the starts to 2000 1000, it still cannot work.