
Handy R tips 
2

1109 
by tbates 07/19/2011  15:03 
by mdewey 06/04/2012  12:51 

Genetic correlation equals to 1 or 1 in Bivariate ACE model 
0

820 
by c3094213 01/19/2014  23:08 
n/a 

Funky confidence intervals 
3

549 
by carey 06/01/2015  10:05 
by carey 06/03/2015  10:20 

Freely estimate genetic correlation DOS twins 
9

2032 
by Charlotte 07/20/2012  03:00 
by Charlotte 09/04/2012  10:33 

fit indices and df for a simple path model 
6

2304 
by dkaplan 03/11/2010  17:28 
by ecmerkle 05/26/2010  14:50 

Extracting means and covariances from a model 
10

1441 
by mspiegel 01/15/2010  19:04 
by ronjacobson 02/01/2010  09:19 

Expired links to scripts in OpenMx guide 
13

874 
by Docherty 03/06/2012  19:31 
by Docherty 03/08/2012  11:19 

Expected covariance matrix is not positivedefinite in row 0 
15

5141 
by pdeboeck 10/09/2009  19:35 
by mspiegel 11/09/2009  15:05 

Exctract CI values 
3

1754 
by Julia 09/21/2012  09:08 
by Julia 09/24/2012  03:45 

excessive memory usage when definition variables vary substantially 
10

2848 
by CharlesD 01/09/2014  14:26 
by CharlesD 04/22/2014  03:50 

Estimation of RAMmodel 
2

611 
by sbremer 08/28/2012  10:32 
by sbremer 08/28/2012  12:01 

estimating covariance matrix for saturated multivariate ACE 
6

2765 
by Dorothy Bishop 03/24/2010  12:47 
by Sanja 03/30/2010  10:01 

Estimate individuals' values or scores on a latent variable 
2

1450 
by dadrivr 03/05/2013  17:16 
by dadrivr 03/05/2013  18:16 

Error of using vech() in mxAlgebra() 
4

1064 
by Mike Cheung 12/30/2009  01:24 
by Mike Cheung 01/03/2010  05:52 

error message in trying to fit a var/covar matrix 
1

748 
by mkeller 05/28/2010  01:30 
by tbrick 05/28/2010  09:17 

eigenvalues 
16

2250 
by HanOud 12/22/2009  21:09 
by mspiegel 04/27/2011  12:59 

Does OpenMx support multilevel, ordinal/binary outcomes/indicators with sampling weights? 
0

1005 
by yoosoo 06/19/2014  14:22 
n/a 

Does OpenMx give the information that allows us to evaluate structural models? 
1

808 
by brauer 03/09/2012  18:21 
by neale 03/13/2012  01:25 

Does it really take that long? 
4

1081 
by Julia 04/26/2012  10:02 
by neale 05/22/2012  21:49 

Derivation of the Saturated Model Likelihood result. 
3

2516 
by jlisic 04/13/2011  11:37 
by Ryne 04/14/2011  16:57 

contingency tables 
3

1551 
by carey 03/31/2011  11:06 
by neale 11/26/2011  19:05 

Constraining mxAlgebra across submodels 
1

505 
by WuandMu 06/26/2015  03:52 
by AdminRobK 06/29/2015  10:52 

Confidence Intervals for Univariate Ordinal ACE Model with 2 Thresholds 
4

1768 
by kspoon 07/01/2011  18:34 
by kspoon 07/07/2011  16:23 

Confidence Intervals 
12

2363 
by a9mike 01/28/2014  20:55 
by martonandko 06/02/2015  10:57 

Computing R squared with missing data 
3

1009 
by fife 02/17/2014  15:06 
by mhunter 02/19/2014  00:57 