msPCA: An R Package for Sparse PCA with Multiple Components
We present msPCA: an open-source R package for sparse principal component analysis with multiple components. It implements an alternating maximization algorithm to generate a set of sparse loading vectors that collectively explain a large fraction of the variance in a dataset, while remaining non-redundant. The algorithm supports two definitions of non-redundancy: either orthogonality of the loading vectors or zero pairwise correlation between principal components (PCs). In the reported benchmarks, msPCA solves sparse PCA problems with thousands of features, achieving competitive runtimes while producing sparse components with controlled feasibility violations and a high fraction of varia...
| Authors | Ryan Cory-Wright, Jean Pauphilet |
|---|---|
| Primary category | stat.ML |
| Published | 6 July 2026 |
| Last updated at source | 6 July 2026 |
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