symSEM: Symbolic Computation for Structural Equation Models

A collection of functions for symbolic computation using 'Ryacas' package for structural equation models. This package includes functions to calculate model-implied covariance (and correlation) matrix and sampling covariance matrix of functions of variables using the first-order Taylor approximation. Reference: McArdle and McDonald (1984) <doi:10.1111/j.2044-8317.1984.tb00802.x>.

Version: 0.1
Depends: R (≥ 3.3.0)
Imports: OpenMx, metaSEM, Ryacas, mvtnorm
Suggests: testthat
Published: 2020-07-16
Author: Mike Cheung ORCID iD [aut, cre]
Maintainer: Mike Cheung <mikewlcheung at>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
Materials: README
CRAN checks: symSEM results


Reference manual: symSEM.pdf


Package source: symSEM_0.1.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
macOS binaries: r-release (arm64): symSEM_0.1.tgz, r-oldrel (arm64): symSEM_0.1.tgz, r-release (x86_64): symSEM_0.1.tgz, r-oldrel (x86_64): symSEM_0.1.tgz


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