Least Squares Sparse Principal Components Analysis R package spca version 1.1.1 Implements least-squares sparse principal component analysis (LS-SPCA). The approach follows Merola (2015) <doi:10.1111/anzs.12128> and Merola and Chen (2019) <doi:10.1016/j.jmva.2019.04.001>. Software Depends: R (>= 4.3) Imports: Rcpp (>= 1.0.14), ggplot2 (>= 4.0.0), RMTstat (>= 0.3.1), scales, rlang LinkingTo: Rcpp, RcppEigen Suggests: testthat (>= 3.0.0), peakRAM (>= 1.0.2), knitr, rmarkdown, bench, R.rsp Giovanni Maria Merola <merolagio@gmail.com> Comprehensive R Archive Network (CRAN) Giovanni Maria Merola [aut, cre] AGPL-3 2026-07-10 application/tgz https://CRAN.R-project.org/package=spca doi:10.32614/CRAN.package.spca