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Mplus Discussion > Latent Variable Mixture Modeling >
Message/Author
 Sophie von Stumm posted on Friday, July 01, 2011 - 9:51 am
Hi there,

I am trying to run a LCA on a relatively large sample (N = 65 000). I convert my spss data file (.sav) to a .dat file. When checking the .dat file, everything looks perfect, i.e. columns don't have labels, no missing data points, everyting coed 0 and 1.

However, when I run the Mplus input file on the data, I receive an error message: "The number of observations is 0. Check your data and format statement." Indeed, when I check the .dat file again, it's now empty without any cases.

What am I doing wrong?

Many thanks,
Sophie
 Linda K. Muthen posted on Friday, July 01, 2011 - 11:36 am
Please send your output, data, and license number to support@statmodel.com.
 Sophie von Stumm posted on Friday, July 01, 2011 - 12:18 pm
Many thanks; I have just emailed the details to support.
 Leigh Greiner posted on Tuesday, August 27, 2013 - 1:47 pm
I am having the same problem as the one described here. The data seems to disappear after running my LCA. Was there an easy fix to this?
Thanks,
Leigh
 Linda K. Muthen posted on Tuesday, August 27, 2013 - 3:01 pm
Please send your output, data, and license number to support@statmodel.com.
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