Package: swaprinc
Title: Swap Principal Components into Regression Models
Version: 1.0.1.9000
Authors@R: 
    person("Mackson", "Ncube", , "macksonncube.stats@gmail.com", role = c("aut", "cre", "cph"))
Description: Obtaining accurate and stable estimates of regression
        coefficients can be challenging when the suggested statistical
        model has issues related to multicollinearity, convergence, or
        overfitting. One solution is to use principal component
        analysis (PCA) results in the regression, as discussed in Chan
        and Park (2005) <doi:10.1080/01446190500039812>. The swaprinc()
        package streamlines comparisons between a raw regression model
        with the full set of raw independent variables and a principal
        component regression model where principal components are
        estimated on a subset of the independent variables, then
        swapped into the regression model in place of those variables.
        The swaprinc() function compares one raw regression model to
        one principal component regression model, while the compswap()
        function compares one raw regression model to many principal
        component regression models. Package functions include
        parameters to center, scale, and undo centering and scaling, as
        described by Harvey and Hansen (2022)
        <https://cran.r-project.org/package=LearnPCA/vignettes/Vig_03_Step_By_Step_PCA.pdf>.
        Additionally, the package supports using Gifi methods to
        extract principal components from categorical variables, as
        outlined by Rossiter (2021)
        <https://www.css.cornell.edu/faculty/dgr2/_static/files/R_html/NonlinearPCA.html#2_Package>.
License: MIT + file LICENSE
Encoding: UTF-8
Roxygen: list(markdown = TRUE)
RoxygenNote: 7.2.3
URL: https://github.com/mncube/swaprinc
BugReports: https://github.com/mncube/swaprinc/issues
Imports: broom, broom.mixed, dplyr, Gifi, lme4, magrittr, rlang,
        tidyselect
Suggests: testthat (>= 3.0.0)
Config/testthat/edition: 3
Config/pak/sysreqs: cmake make libicu-dev
Repository: https://mncube.r-universe.dev
Date/Publication: 2023-04-18 23:42:49 UTC
RemoteUrl: https://github.com/mncube/swaprinc
RemoteRef: HEAD
RemoteSha: 9d9ef19b7c0da66b591fb5c8c321da9784eac441
NeedsCompilation: no
Packaged: 2026-07-03 20:55:12 UTC; root
Author: Mackson Ncube [aut, cre, cph]
Maintainer: Mackson Ncube <macksonncube.stats@gmail.com>