OpenMx Help

some old (over 1 year ago) MxModel objects that i saved are giving me the following error in R:
Error: no slot of name "intervals" for this object of class "MxModel"

if i create a new MxModel, it shows a slot for intervals of type list. but i cannot find documentation for this slot in http://openmx.psyc.virginia.edu/docs/OpenMx/latest/_static/Rdoc/MxModel-class.html (or in the doc for mxModel either).

any help?
best,
greg

Hi,

I have been able to obtain standard errors for my path estimates by simply using a statement such as:
ACEmodelSumm <- summary(ACEmodelFit)

However, I would like to obtain standard errors for additional parameters, such as genetic correlations and standardized A,C,E estimates (or even simple phenotypic correlations).

Thank you,
Jarrod

(apologies if this has been covered elsewhere)

I got a rather funny error message from a simulation I was running, and would like to share to prompt a bug fix, discussion and laughter.

Error in checkForRemoteErrors(val):
one node produced an error: The name 'untitled1e+05' is illegal because it contains the '+' character in mxMatrix("Full", values = value, name = localName)

Hi there, I was trying to modify a script I found online, from http://www.vipbg.vcu.edu/~vipbg/OpenMx/, called "InteractionGxE_rGE-hm2.R:. I keep getting the message "Error: A cycle has been detected in model 'rGE' involving the following elements: 'DZ.min2sumll' and 'DZ.objective'". I haven't seen that error before, I'm having trouble finding my error in the syntax. Any pointers for fixing this?

I am not getting an error message, but the model seems to be not running. I run the ful model and get a GREEN status, then I set the paths moderatign the loadings to 0 and run the nested model ... and nothing. It even reports 0 observed statistics.

How can I troubleshoot when there is no eror message?

------------------------------------------------------------------------------------

> summary(FactorConfigFIout)
data:
$`Moderated FI Model.data`

Is it possible to change the precision of the numerical integration for binary FIML? I don't get the same likelihood in classic versus OpenMx.

Thanks, Hermine.

Hello all,
when I want to fit my model, I receive this warning message:
In model 'Similarity Model' NPSOL returned a non-zero status code 6. The model does not satisfy the first-order optimality conditions to the required accuracy, and no improved point for the merit function could be found during the final linesearch (Mx status RED)
and when I then summary my fit, some values are missing.
Below, you can see, my model and also results from summary.
I am a begginer, so I would be really happy, if someone helped me.
Alena

simModel<-mxModel("Similarity Model",
type="RAM",

Hi

I need to install a OpenMx version that work on 2.10 (as only this version in an avalaible version for Linux on R-CRAN website and we need to test it soon).
I think that openMX 1.0.2 is ok for that. However, I coudl not install it with the
source('http://openmx.psyc.virginia.edu/getOpenMx.R') command
that directly goes to the last openMX version...
how could I do ?
thanks!

P
ps: I did not find anything related to that question on the forum....

Hi All,

I am having an issue with the mxConstraint command.
I am getting an error when I try and constrain the sum of the squared real and imaginary eigenvalues to be less than a unit matrix.
The algebra and constraint commands are:

mxAlgebra( expression=(eigenval(ACE.bm)^2) + (ieigenval(ACE.bm)^2), name="eigen"),
mxMatrix( type="Full", nrow=2, ncol=1, free=FALSE, values= 1, name="unit"),
mxConstraint(eigen

Here are the matrices under question:

Real Eigenvalue Matrix
[,1]
[1,] 0
[2,] 0

Currently, if you have R 2.11, the installation script installs the OpenMx version compiled for R 2.12 and complains that 2.12 must be installed in order for OpenMx 1.0.3 to run.

I thought we were still supporting 2.11.