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| From | Stas Kolenikov <skolenik@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: sem - is it possible to drop error terms? |
| Date | Tue, 12 Mar 2013 13:59:22 -0500 |
Jacob, you can constrain the variance of these error terms to zero with -variance()- option of -sem-. -- Stas Kolenikov, PhD, PStat (SSC) -- Senior Survey Statistician, Abt SRBI -- Opinions stated in this email are mine only, and do not reflect the position of my employer -- http://stas.kolenikov.name On Tue, Mar 12, 2013 at 1:53 PM, John Antonakis <John.Antonakis@unil.ch> wrote: > Hi Jacob: > > You need to be much more specific about what specific model you wish to test > (write-out equations or syntax). Most probably don't know what ACE is: > > http://www.stata.com/support/faqs/resources/statalist-faq/ > > Best, > J. > > __________________________________________ > > John Antonakis > Professor of Organizational Behavior > Director, Ph.D. Program in Management > > Faculty of Business and Economics > 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 12.03.2013 19:30, Jacob Felson wrote: >> >> I'm wondering if its possible to drop the error terms that are >> included by default in sem models. I've searched in the manual and >> online but I can't find any indication that this is possible. I >> imagine its not, but I wanted to check with the experts to make sure. >> >> (I'm estimating a behavior genetic model with data on MZ and DZ twins >> -- the so-called ACE model.) >> >> >> Thank you, >> >> >> Jacob Felson >> * >> * For searches and help try: >> * http://www.stata.com/help.cgi?search >> * http://www.stata.com/support/faqs/resources/statalist-faq/ >> * http://www.ats.ucla.edu/stat/stata/ > > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/faqs/resources/statalist-faq/ > * http://www.ats.ucla.edu/stat/stata/ * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/