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tidySEM

The packagetidySEM provides a ‘tidy’ workflow forconducting, reporting, and plotting structural equation modelinganalyses. It does not perform model estimation, but instead allows usersto estimate models in a software-agnostic way, using either the freeopen source R packageslavaan orOpenMx, orthe commercial closed-source programMplus (controlledthrough the R packageMplusAutomation). The aim oftidySEM is to provide three specific functions:

1. Generate model syntax in a top-down, tidy way,
   • With particular attention to specifying mixture models inOpenMx
2. Tabulate model output in a publication-ready, uniform manner,
3. Make easily customizable graphs for SEM-models.

These functions are designed with thetidytools manifesto (Wickham, last updated 23-11-2019) in mind, andinterface with the existing suite of packages in thetidyverse.

Installation

You can install the public release oftidySEM from CRANwith:

install.packages("tidySEM")

If you want access to the latest developer version, includingfeatures that may not yet be finalized, you can install the developmentversion oftidySEM from R-universe with:

install.packages('tidySEM',repos =c('https://cjvanlissa.r-universe.dev','https://cloud.r-project.org'))

And if you are a developer and want to contribute totidySEM, or want to install a specific historical versionof the package, you can install directly from GitHub with:

install.packages("remotes")remotes::install_github('cjvanlissa/tidySEM')

Documentation

Every user-facing function in the package is documented, and thedocumentation can be accessed by running?function_name inthe R console, e.g.,?graph_sem.

Furthermore, there are three main vignettes, describing the threemain tracks oftidySEM functions:

1. Avignetteabout generating syntax and estimating models
2. Avignetteabout tabulating results
3. Avignetteabout making graphs
   • An additional vignette describes thegraphingconventions for structural equation models.

Citing tidySEM

You can cite the R-package with the following citation:

Van Lissa, C. J., (2019).tidySEM: Tidy structural equationmodeling. R package version 0.2.1.https://github.com/cjvanlissa/tidySEM/

Contributing and ContactInformation

If you have ideas, please get involved. You can contribute by openingan issue on ‘GitHub’, or sending a pull request with proposed features(see further instructions below).

• File a ‘GitHub’ issuehere
• Make a pull requesthere

By participating in this project, you agree to abide by theContributorCovenant.

Pull requests

• Please always contribute via pull request instead of committing tomaster, so I can review the contribution.
  • You can either fork the repository to your own account and thensubmit a pull request, or make minor changes directly on thisrepository, and choose to commit them to a different branch and send apull request when you save those changes
• If you fix an issue, in your Commit message, please write “closes#issuenumber” so we can trace which commits fixed which issues
• Please add a line to NEWS.md for each bug fix or featurecontribution
• Please increment the minor version number in DESCRIPTION, e.g.:0.2.3.1 -> 0.2.3.2