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Principal curves generalize the notion of a first principal component to the case in which it is a nonlinear smooth curve. This package provides a function pcop(X) to compute principal curves with the algorithm defined in Delicado (2001) <doi:10.1006/jmva.2000.1917> from a data matrix X.
| Version: | 1.2.3 |
| Depends: | R (≥ 3.5.0) |
| Imports: | Rcpp (≥ 1.0.7), princurve |
| LinkingTo: | Rcpp |
| Suggests: | knitr, rmarkdown, testthat (≥ 3.0.0) |
| Published: | 2026-06-24 |
| DOI: | 10.32614/CRAN.package.Rpcop |
| Author: | Pedro Delicado [aut] (Original C++ author), Mario Huerta [aut] (Original C++ author), Kevin Michael Frick [trl, aut, cre] (Modern C++ fixes and Rcpp port, with permission from the original authors), Stephen L. Moshier [cph] (Author of eigens() for symmetric matrix eigendecomposition) |
| Maintainer: | Kevin Michael Frick <kmfrick at proton.me> |
| BugReports: | https://github.com/kmfrick/Rpcop/issues |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| URL: | https://github.com/kmfrick/Rpcop |
| NeedsCompilation: | yes |
| Citation: | Rpcop citation info |
| Materials: | README, NEWS |
| CRAN checks: | Rpcop results |
| Reference manual: | Rpcop.html , Rpcop.pdf |
| Vignettes: |
Principal Curves of Oriented Points (source, R code) |
| Package source: | Rpcop_1.2.3.tar.gz |
| Windows binaries: | r-devel: not available, r-release: Rpcop_1.2.3.zip, r-oldrel: not available |
| macOS binaries: | r-release (arm64): Rpcop_1.2.3.tgz, r-oldrel (arm64): Rpcop_1.2.3.tgz, r-release (x86_64): Rpcop_1.2.3.tgz, r-oldrel (x86_64): Rpcop_1.2.3.tgz |
| Old sources: | Rpcop archive |
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