Package: PRC Type: Package Title: Principal Response Curves (PRC) For Displaying Multivariate Main Effects And Interactions Version: 2.0.0 Authors@R: person(given ="Cajo J.F", family = "ter Braak", email="cajo.terbraak@wur.nl", role=c("aut","cre"), comment=c(ORCID="0000-0002-0414-8745")) Maintainer: Cajo J.F. ter Braak Description: PRC is a small \code{vegan}- and \code{LMMsolver}-based package to create and display Principal Response Curves (PRC) and smooth Principal Response Curves (PRC). PRC is a special case of Redundancy Analysis (rda) for multivariate responses in designed experiments and repeated measurement designs. PRC expresses ordination scores as deviation from a reference, usually to visualize multivariate A-dependent effects (e.g time-dependent effects) of a treatment B in (un)balanced factorial experiments. The main user functions are \code{\link{doPRC}}, \code{\link{plotPRC}}, \code{\link{plotPRC2d}} and \code{\link{smoothPRC}}. The easiest example is the code demo \code{PRC_pyrifos}. URL: https://doi.org/10.1002/etc.5620180207, https://doi.org/10.1016/j.chemolab.2023.104898 BugReports: https://github.com/CajoterBraak/PRC/issues Depends: R (>= 4.1.0) License: GPL-3 | file LICENSE Encoding: UTF-8 LazyData: true Imports: LMMsolver, permute, vegan (>= 2.6-8), spam, dplyr, ggplot2 (>= 3.5.1), latex2exp, ggrepel, gridExtra, rlang Suggests: rmarkdown, knitr RoxygenNote: 7.3.3 NeedsCompilation: no VignetteBuilder: knitr Packaged: 2026-06-17 07:10:28 UTC; root Repository: https://cajoterbraak.r-universe.dev Date/Publication: 2026-05-18 08:51:48 UTC RemoteUrl: https://github.com/CajoterBraak/PRC RemoteRef: HEAD RemoteSha: e194d4d9d6b0f06348ff2117da578fb54117340b Author: Cajo J.F ter Braak [aut, cre] (ORCID: )