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Re: st: data file for use with sem()


From   John Antonakis <John.Antonakis@unil.ch>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: data file for use with sem()
Date   Fri, 07 Dec 2012 16:35:13 +0100

Hi

Yes, it is possible to analyze summary data, which can be then estimated by maximum likelihood. See -help ssd-

For your interest, see also -help corr2data-, which can generate artificial data with a known correlational structure too.

Best,
J.

__________________________________________

Prof. John Antonakis
Faculty of Business and Economics
Department of Organizational Behavior
University of Lausanne
Internef #618
CH-1015 Lausanne-Dorigny
Switzerland
Tel ++41 (0)21 692-3438
Fax ++41 (0)21 692-3305
http://www.hec.unil.ch/people/jantonakis

Associate Editor
The Leadership Quarterly
__________________________________________

On 07.12.2012 14:59, Robert Long wrote:
Hello statlist

I am fairly new to Stata and completely new to the sem() function.

I have previously used MPlus, where it is common to have data files in a format like this:

79.75 0.97 81.96 109.16
  14.18 0.58 54.24 10.40
  1
  0.34 1
  0.59 0.39 1
  0.38 0.13 0.29 1

where we have a row vector for the means of each variable, a row for their standard deviations, a lower triangular matrix for correlations, and the number of observations is input separately.

Is there a way to get Stata to handle this kind of input without having the simulate the data myself ?

Thanks
Robert Long


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