{FAfA}

Installation

Install {FAfA} together with its dependencies from CRAN:

install.packages("FAfA")

The development version can be installed in the same way with remotes:

remotes::install_github("AFarukKILIC/FAfA", dependencies = TRUE)

Run

You can launch the application by running:

FAfA::run_app()

EFA replication analysis

Version 1.3 includes internal split-sample replication analysis for EFA. The module divides the data reproducibly using a user-defined seed, fits the same factor model in both halves, aligns factor labels and signs, and compares each item's primary factor and loading magnitude. A squared loading difference of .04 or more is flagged as volatile following Osborne and Fitzpatrick (2012).

Method reference: Osborne, J. W., & Fitzpatrick, D. C. (2012). Replication analysis in exploratory factor analysis: What it is and why it makes your analysis better. Practical Assessment, Research, and Evaluation, 17, Article 15. https://doi.org/10.7275/h0bd-4d11

License

FAfA is distributed under the GNU Affero General Public License, version 3. The Dynamic Fit Index integration acknowledges Melissa G. Wolf and Daniel McNeish and their AGPL-3 dynamic R package, version 1.1.0. The integration was rewritten for FAfA rather than copied verbatim. See inst/COPYRIGHTS for the complete third-party notice. The complete FAfA source code is available from https://github.com/AFarukKILIC/FAfA.

DFI method reference: McNeish, D., & Wolf, M. G. (2023). Dynamic fit index cutoffs for confirmatory factor analysis models. Psychological Methods, 28(1), 61-88. https://doi.org/10.1037/met0000425

About

You are reading the doc about version : 0.5

This README has been compiled on the

Sys.time()
#> [1] "2025-12-11 22:13:40 +03"

Here are the tests results and package coverage:

devtools::check(quiet = TRUE)
#> ℹ Loading FAfA
#> ── R CMD check results ─────────────────────────────────────────── FAfA 0.5 ────
#> Duration: 7.4s
#> 
#> ❯ checking package dependencies ... ERROR
#>   Namespace dependencies missing from DESCRIPTION Imports/Depends entries:
#>     'bsicons', 'bslib', 'ggplot2'
#>   
#>   Imports includes 27 non-default packages.
#>   Importing from so many packages makes the package vulnerable to any of
#>   them becoming unavailable.  Move as many as possible to Suggests and
#>   use conditionally.
#>   
#>   See section 'The DESCRIPTION file' in the 'Writing R Extensions'
#>   manual.
#> 
#> 1 error ✖ | 0 warnings ✔ | 0 notes ✔
#> Error: R CMD check found ERRORs

covr::package_coverage()
#> Error in loadNamespace(x): there is no package called 'covr'