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Home > Issues with third beta release of OpenMx v2.0

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Tue, 09/30/2014 - 10:42
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Issues with third beta release of OpenMx v2.0

The following issues are mentioned in the third beta's announcement:

  • The Windows binaries of this third beta were compiled without enabling multiple threads (i.e., parallel processing with multiple cores).
  • CSOLNP can still crash or freeze up R, or terminate calculation prematurely, when calculating confidence intervals. This behavior appears to be Windows-specific, and almost entirely confined to 64-bit R.
  • Users should get into the habit of ALWAYS using the $ accessor instead of the @ accessor. For example, myModelRun@output$estimate would now be myModelRun$output$estimate. We CANNOT guarantee that every usage of the @ accessor that worked with versions 1.3/1.4 will continue to work in 2.0.

In addition, users have reported the following:

  • CSOLNP is still producing confidence intervals that have a confidence limit equal to the point estimate [5] more frequently than it should.
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[5] https://openmx.ssri.psu.edu/thread/3889#comment-5653