We are pleased to announce the official release of OpenMx version 2.13.2. Click here for instructions on how to install the package from our repository. As usual, our repository has package binaries for Windows and MacOS, and source tarballs for Linux/GNU and other non-Mac Unix-likes, all of which come with the proprietary NPSOL optimizer. Alternately, users may install the fully open-source build of the new version from CRAN.

We are pleased to announce the official release of OpenMx version 2.12.2. Click here for instructions on how to install the package from our repository. As usual, our repository has package binaries for Windows and MacOS, and source tarballs for Linux/GNU and other non-Mac Unix-likes, all of which come with the proprietary NPSOL optimizer. Alternately, users may install the fully open-source build of the new version from CRAN.

New Features, Performance Improvements, and Tweaks Since v2.9.6:

• A new optimizer, which uses generalized simulated annealing, has been implemented.

We are pleased to announce the official release of OpenMx version 2.9.6. (update: 2.9.9 is now available - for users, this is near-identical).

The getOpenMx.R script has a new location, and therefore, the instructions for installing OpenMx from the Development Team's repository have changed! Now, you would run the following command during an R session:
source('https://openmx.ssri.psu.edu/software/getOpenMx.R')
See our download instructions for details.

The 2018 International Workshop on Statistical Genetic Methods for Human Complex Traits will be held in Boulder, CO, USA, from March 5th to March 9th.

We are pleased to announce the official release of OpenMx version 2.8.3. Click here for instructions on how to install the package from our virginia.edu repository. As usual, our repository has package binaries for Windows and MacOS, and source tarballs for Linux/GNU, all of which come with the NPSOL optimizer. Users of Windows and Linux/GNU can also install OpenMx v2.8.3 from CRAN.

We are pleased to announce the official release of OpenMx version 2.7.18. Click here for instructions on how to install the package from our virginia.edu repository. As usual, our repository has package binaries for Windows and MacOS, and source tarballs for Linux/GNU, all of which come with the NPSOL optimizer. Users of Windows and Linux/GNU can also install OpenMx v2.7.18 from CRAN.

We are pleased to announce the NIDA and OBSSR funded 'Advanced Genetic Epidemiology Statistical Workshop: Applications to Drug Abuse' , which will be held October 23-27 in Richmond, Virginia. This workshop is designed to provide an overview of advanced statistical methodology for genetic studies, particularly of substance use and abuse and related risk factors or biomarkers.

We are pleased to announce the official release of OpenMx version 2.7.12. Click here for instructions on how to install the package from our virginia.edu repository. As usual, our repository has package binaries for Windows and MacOS, and source tarballs for Linux/GNU; our builds of the package include the NPSOL optimizer. Users of Windows and Linux/GNU can also install OpenMx v2.7.12 from CRAN.