Generating two-level data based on SI... PreviousNext
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 Zachary Chang posted on Sunday, September 23, 2007 - 8:31 pm
Dear Dr. Muthen,
I am a PhD student who is interested in multilevel models. I am doing a monte carlo study of a two level model. I need to generate two level-1 variables that have a fixed raw score correlation, say r=.40. But I want to vary the within part and the between part of the overall correlation.

My current plan is to decompose the overall correlation into two matrixes: SIGB and SAMPLE (i.e.,within part). My question is: Can I use Mplus Monte Carlo function to generate data sets based on pre-specified SIGB and SAMPLE correlation matrixes?

I know I can get these two matrixes from raw data, but I do not know if I can go the other way around in Mplus.

Thank you very much for your help!
 Linda K. Muthen posted on Monday, September 24, 2007 - 3:23 pm
Mplus uses population parameter values to generate data not population variance/covariance matrices. See the examples in Chapter 11.
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