Clusters longitudinal trajectories over time (can be unequally spaced, unequal length time series and/or partially overlapping series) on a common time axis. Performs k-means clustering on a single continuous variable measured over time, where each mean is defined by a thin plate spline fit to all points in a cluster. Distance is MSE across trajectory points to cluster spline. Provides graphs of derived cluster splines, silhouette plots, and Adjusted Rand Index evaluations of the number of clusters. Scales well to large data with multicore parallelism available to speed computation.
| Version: | 0.2.1 |
| Depends: | R (≥ 3.5.0) |
| Imports: | data.table, graphics, grDevices, methods, mgcv, MixSim, parallel, stats |
| Suggests: | haven, knitr, rmarkdown |
| Published: | 2024-01-10 |
| DOI: | 10.32614/CRAN.package.clustra |
| Author: | George Ostrouchov [aut, cre], David Gagnon [aut], Hanna Gerlovin [aut], Chen Wei-Chen [ctb], Schmidt Drew [ctb], Oak Ridge National Laboratory [cph], U.S. Department of Veteran's Affairs [fnd] (Project: Million Veteran Program Data Core) |
| Maintainer: | George Ostrouchov <go at tennessee.edu> |
| License: | BSD 2-clause License + file LICENSE |
| NeedsCompilation: | no |
| Materials: | README NEWS |
| CRAN checks: | clustra results |
| Reference manual: | clustra.pdf |
| Vignettes: |
clustra: Graphics with BP Data clustra: clustering trajectories |
| Package source: | clustra_0.2.1.tar.gz |
| Windows binaries: | r-devel: clustra_0.2.1.zip, r-release: clustra_0.2.1.zip, r-oldrel: clustra_0.2.1.zip |
| macOS binaries: | r-release (arm64): clustra_0.2.1.tgz, r-oldrel (arm64): clustra_0.2.1.tgz, r-release (x86_64): clustra_0.2.1.tgz, r-oldrel (x86_64): clustra_0.2.1.tgz |
| Old sources: | clustra archive |
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