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RAMpath  

Structural Equation Modeling Using the Reticular Action Model (RAM) Notation
View on CRAN: Click here


Download and install RAMpath package within the R console
Install from CRAN:
install.packages("RAMpath")

Install from Github:
library("remotes")
install_github("cran/RAMpath")

Install by package version:
library("remotes")
install_version("RAMpath", "0.5.1")



Attach the package and use:
library("RAMpath")
Maintained by
Zhiyong Zhang
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2012-10-08
Latest Update: 2023-08-27
Description:
We rewrite of RAMpath software developed by John McArdle and Steven Boker as an R package. In addition to performing regular SEM analysis through the R package lavaan, RAMpath has unique features. First, it can generate path diagrams according to a given model. Second, it can display path tracing rules through path diagrams and decompose total effects into their respective direct and indirect effects as well as decompose variance and covariance into individual bridges. Furthermore, RAMpath can fit dynamic system models automatically based on latent change scores and generate vector field plots based upon results obtained from a bivariate dynamic system. Starting version 0.4, RAMpath can conduct power analysis for both univariate and bivariate latent change score models.
How to cite:
Zhiyong Zhang (2012). RAMpath: Structural Equation Modeling Using the Reticular Action Model (RAM) Notation. R package version 0.5.1, https://cran.r-project.org/web/packages/RAMpath. Accessed 28 Aug. 2026.
Previous versions and publish date:
(2026-07-09 08:18), 0.1.5 (2012-10-08 15:43), 0.2 (2012-10-24 08:33), 0.3.5 (2013-03-07 19:26), 0.3.6 (2013-06-26 14:59), 0.3.7 (2013-08-10 00:58), 0.3.8 (2014-01-22 00:35), 0.4 (2016-10-05 16:36)
Other packages that cited RAMpath R package
View RAMpath citation profile
Other R packages that RAMpath depends, imports, suggests or enhances
Complete documentation for RAMpath
Functions, R codes and Examples using the RAMpath R package
Some associated functions: RAMpath-package . ex1 . ex2 . ex3 . isNumeric . lavaan2ram . makeBridgeList . makePathList . makeSpanList . plot.RAMpath . plot.lcs.power . powerBLCS . powerLCS . ram2lavaan . ramBLCS . ramEffectSE . ramFit . ramFlip . ramIndex . ramLCM . ramLCS . ramMatrix . ramParseLavaan . ramPathBridge . ramReFit . ramRmOne . ramShowModel . ramUniquePath . ramVF . summary.RAMpath . 
Some associated R codes: blcs.R . lavaan2ram.R . lcm.R . power.R . rampath.R . se.R .  Full RAMpath package functions and examples
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