Tools for exploratory geospatial distribution dynamics with 'sf' objects and tidy data. Provides pooled and time-specific classification of longitudinal spatial values, classic discrete Markov transition matrices, spatial Markov matrices conditioned on spatial-lag classes, endpoint and adjacent rank mobility summaries, and 'ggplot2' visualizations. Methods follow Rey (2001) <doi:10.1111/j.1538-4632.2001.tb00444.x> and Rey et al. (2016) <doi:10.1007/s10109-016-0234-x>; design is inspired by the Python 'PySAL' 'giddy' package <https://pysal.org/giddy/>.
| Version: | 0.1.0 |
| Depends: | R (≥ 4.2) |
| Imports: | dplyr, ggplot2, rlang, scales, sf, spdep, tibble, tidyr |
| Suggests: | cancensus, knitr, microbenchmark, pkgdown, rmarkdown, sfdep, spData, testthat (≥ 3.0.0), tidycensus |
| Published: | 2026-05-30 |
| DOI: | 10.32614/CRAN.package.griddy |
| Author: | Dmitry Shkolnik [aut, cre] |
| Maintainer: | Dmitry Shkolnik <shkolnikd at gmail.com> |
| BugReports: | https://github.com/dshkol/griddy/issues |
| License: | MIT + file LICENSE |
| URL: | https://github.com/dshkol/griddy, https://dshkol.github.io/griddy/ |
| NeedsCompilation: | no |
| Language: | en-US |
| Citation: | griddy citation info |
| Materials: | README, NEWS |
| CRAN checks: | griddy results |
| Reference manual: | griddy.html , griddy.pdf |
| Vignettes: |
Geospatial Distribution Dynamics With griddy (source, R code) |
| Package source: | griddy_0.1.0.tar.gz |
| Windows binaries: | r-devel: griddy_0.1.0.zip, r-release: griddy_0.1.0.zip, r-oldrel: griddy_0.1.0.zip |
| macOS binaries: | r-release (arm64): griddy_0.1.0.tgz, r-oldrel (arm64): griddy_0.1.0.tgz, r-release (x86_64): griddy_0.1.0.tgz, r-oldrel (x86_64): griddy_0.1.0.tgz |
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