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OpenMx: An Open Source Extended Structural Equation Modeling Framework.

Steven Boker¹, Michael Neale, Hermine Maes

¹University of Virginia.

|December 22, 2012

Summary

This summary is machine-generated.

OpenMx is a free, open-source structural equation modeling (SEM) software for R. It offers novel data structures for flexible model specification and fitting, with future development planned.

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Area of Science:

Statistics
Computational Statistics

Background:

Structural Equation Modeling (SEM) is a powerful statistical technique.
Existing SEM software can be costly or have limitations.

Purpose of the Study:

Introduce OpenMx, a free, open-source SEM software for the R environment.
Detail the software's novel data structures and user interface philosophy.
Provide examples of OpenMx for confirmatory factor analysis.

Main Methods:

OpenMx is developed within the R statistical programming environment.
Novel data structures are introduced for user interface and model specification.
Example scripts demonstrate confirmatory factor model specification and fitting.

Main Results:

OpenMx provides a free, full-featured SEM solution.
Novel data structures enhance model specification flexibility.
The software is available on Windows, Mac OS-X, and Linux.

Conclusions:

OpenMx offers a robust and accessible platform for SEM.
Future development will expand its modeling applications.
The software empowers researchers with advanced statistical modeling tools.