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Hi, Bengt/Linda. Can you please explain to me the difference between RMSEA and RMSR? My understanding is that Mplus reports RMSR in EFA models. I don't know how it differs from RMSEA, however. Best, Ethan 


You can find the formulas for all fit statistics in Mplus in Techncal Appendix 5 which is on the website. 


Hi. I'm running a very large simulation study with Mplus and wanted to know if there was anyway that I could call the Mplus program from within another program or from a DOS .BAT file so that I could automate the process and avoid having to submit each of my set of simulation commands individually. Thankyou. 


You can run Mplus from a DOS .BAT file, for example, the .BAT file would contain the following commands: call Mplus file1.inp call Mplus file2.inp where file1.inp and file2.inp are input files. 


I suspected as much. Thankyou very much for the speedy response!!!!! One further question: from which directory should I run the mplus directory itself? 


It doesn't matter as long as the Mplus directory is part of your path environment variable. 

Vlad posted on Tuesday, November 03, 2009  12:00 pm



Hello, I am conducting efa .All my dependent variables are categorical and I am using WLSMV estimator.My question is: should I rely on RMSEA or SRMR since RMSEA is 0,08 and SRMR is 0,03 for 3 factors? 


You should also get at least chisquare and with the new rotations other fit statistics. As always in EFA, besides fit statistics, theory behind the number of factors for which the items were developed is a good guide. 

Vlad posted on Wednesday, November 04, 2009  3:31 am



Hi Linda, According theory 3 factors are enough. However, ChiSquare pvalue for 3factors is 0.00. Moreover, I am not sure about ChiS. since Mplus gives some notes:* The chisquare value for MLM, MLMV, MLR, ULSMV, WLSM and WLSMV cannot be used for chisquare difference tests. MLM, MLR and WLSM chisquare difference testing is described in the Mplus Technical Appendices at www.statmodel.com. See chisquare difference testing in the index of the Mplus User's Guide. ** The degrees of freedom for MLMV, ULSMV and WLSMV are estimated according to a formula given in the Mplus Technical Appendices at www.statmodel.com. See degrees of freedom in the index of the Mplus User's Guide. Are pvalues from ChiS. are still reliable? Regards, V 


Yes, the pvalues for all chisquare test statistics are reliable. 

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