sem: Structural Equation Models

Functions for fitting general linear structural equation models (with observed and latent variables) using the RAM approach, and for fitting structural equations in observed-variable models by two-stage least squares.

Version: 3.1-7
Depends: R (≥ 2.14.0), stats
Imports: matrixcalc, MASS, boot, mi (≥ 0.9-99), utils
Suggests: polycor, MBESS, DiagrammeR
Published: 2016-04-06
Author: John Fox [aut, cre], Zhenghua Nie [aut], Jarrett Byrnes [aut], Michael Culbertson [ctb], Saikat DebRoy [ctb], Michael Friendly [ctb], Goodrich Benjamin [ctb], Richard H. Jones [ctb], Adam Kramer [ctb], Georges Monette [ctb], R-Core [ctb]
Maintainer: John Fox <jfox at>
BugReports: NA
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: yes
Materials: NEWS
In views: Econometrics, Multivariate, Psychometrics
CRAN checks: sem results


Reference manual: sem.pdf
Package source: sem_3.1-7.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X Mavericks binaries: r-release: sem_3.1-7.tgz, r-oldrel: sem_3.1-7.tgz
Old sources: sem archive

Reverse dependencies:

Reverse depends: bmem, dpa, faoutlier, qtlnet, semdiag, semGOF
Reverse imports: MBESS, qgraph, semPlot, stablespec
Reverse suggests: aspect, Ecdat, FAiR, MVA, psych, Rcmdr, semPLS, systemfit