bi- or multi-variate twin model script for OpenMx?
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tbates
Joined: 07/31/2009
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Are there multivariate Twin scripts for pathic and/or matic scripts available to work with?
Not as far as I know.
Not as far as I know. However, the advent of lower triangular matrices should make it a snap to modify UnivariateTwinAnalysis_Matrix.R to a Cholesky, and the algebras for common and independent models are very straightforward. Sex-limitation scripts will be a bit more challenging as there are several choices to be made.
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In reply to Not as far as I know. by neale
OK. Made and commited a
OK. Made and commited a fairly expandable 2-group multi-variate script
A trunk/demo/TwinAnalysis_Multivariate_Matrix_Raw.R
Comments welcome. It would be good to add mx comparison checks, then add some path dropping and fit-change code.
Look forward to seeing those 5-group sex limitation models :-)
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