A design-based approach to statistical inference, with a focus on spatial data. Spatially balanced samples are selected using the Generalized Random Tessellation Stratified (GRTS) algorithm. The GRTS algorithm can be applied to finite resources (point geometries) and infinite resources (linear / linestring and areal / polygon geometries) and flexibly accommodates a diverse set of sampling design features, including stratification, unequal inclusion probabilities, proportional (to size) inclusion probabilities, legacy (historical) sites, a minimum distance between sites, and two options for replacement sites (reverse hierarchical order and nearest neighbor). Data are analyzed using a wide range of analysis functions that perform categorical variable analysis, continuous variable analysis, attributable risk analysis, risk difference analysis, relative risk analysis, change analysis, and trend analysis. spsurvey can also be used to summarize objects, visualize objects, select samples that are not spatially balanced, select panel samples, measure the amount of spatial balance in a sample, adjust design weights, and more. For additional details, see Dumelle et al. (2023) <doi:10.18637/jss.v105.i03>.
Version: 5.5.1 Depends: R (≥ 3.5.0), sf, survey (≥ 4.1-1) Imports: boot, crossdes, deldir, graphics, grDevices, lme4, MASS, sampling, stats, units Suggests: knitr, testthat, rmarkdown Published: 2024-01-09 DOI: 10.32614/CRAN.package.spsurvey Author: Michael Dumelle [aut, cre], Tom Kincaid [aut], Tony Olsen [aut], Marc Weber [aut], Don Stevens [ctb], Denis White [ctb] Maintainer: Michael Dumelle <Dumelle.Michael at epa.gov> BugReports: https://github.com/USEPA/spsurvey/issues License: GPL (≥ 3) URL: https://usepa.github.io/spsurvey/, https://github.com/USEPA/spsurvey NeedsCompilation: no Citation: spsurvey citation info Materials: README NEWS In views: OfficialStatistics, Spatial CRAN checks: spsurvey results Documentation: Downloads: Reverse dependencies: Linking:Please use the canonical form https://CRAN.R-project.org/package=spsurvey to link to this page.
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