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Missing CIs - How to get them?

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No user picture. YiTan Joined: 10/08/2014
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Behavioral Genetics Models
Hi all,

When I ran the univariate or bivariate scripts for some of my variables, I often get NA for some of the CIs requested, followed by this line: "Investigate missing CIs with the detail output in MxComputeConfidenceInterval "

I would like to know what causes the missing CIs and what can I do to get the missing CIs? I'm not sure if I understand what arguments to put in the MxComputeConfidenceInterval.

Thank you very much for the help!

Best Regards,
Yi Ting

Replied on Tue, 09/15/2015 - 10:00
Picture of user. jpritikin Joined: 05/23/2012

After mxRun, you can find the diagnostics in model$compute$steps$CI$output$detail

Typically, the reason you get NAs is because your model isn't sufficiently identified.

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Replied on Fri, 09/18/2015 - 06:44
No user picture. YiTan Joined: 10/08/2014

Hi Joshua,

Thanks for your reply, unfortunately, I got NULL when I input 'AceFit$compute$steps$CI$output$detail'. Did I miss something?

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Replied on Fri, 09/18/2015 - 09:05
Picture of user. AdminRobK Joined: 01/24/2014

If you're running version 2.2.x, I think you should be able to see the detailed CI output if you do something like summary(myFittedModel,verbose=T).
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Replied on Wed, 09/23/2015 - 09:44
No user picture. YiTan Joined: 10/08/2014

Hi Joshua,

Here are my mxVersion details:

OpenMx version: 2.2.4 [GIT v2.2.4]
R version: R version 3.2.1 (2015-06-18)
Platform: x86_64-w64-mingw32
Default optimiser: SLSQP

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