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Mplus Discussion > Structural Equation Modeling >
 emmanuel bofah posted on Tuesday, May 27, 2014 - 2:08 pm
Will like to ask if is now possible to include covariates in the alignment optimization method in version 7.2.
 Bengt O. Muthen posted on Tuesday, May 27, 2014 - 6:10 pm
No, covariates are not yet allowed.
 Lim Jie Xin posted on Monday, February 20, 2017 - 5:47 am
Hi, I would like to know if there is any recommendation/literature on the performance of the alignment method in the presence of missing data (assuming MCAR/MAR). Can we use multiple imputation alongside this method?
 Tihomir Asparouhov posted on Tuesday, February 21, 2017 - 11:10 am
Alignment is likelihood based and assumes MAR. Imputation is also available. Missing data doesn't have any implications for alignment as far as I know.
 WEN Congcong posted on Thursday, March 02, 2017 - 5:15 am

Hello! In a multiple group analysis, the model can be expressed as Y=vg+g+ (1)and =ag+(2). In your alignment paper published in 2014, the configural model M0 transforms the factor in each group to mean 0 and variance 1 and got g0=(g-ag)/̦g(3).

With equation 1 and 2, g-ag should equal g. I dont know how did you get the equation 3 and what does this equation 3 represents. Thanks in advance!
 Bengt O. Muthen posted on Thursday, March 02, 2017 - 5:46 pm
Please send a pdf with these formulas to Support so we can read them. Also give your license number.
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