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The regional package calculates intra-regional and inter-regional similarities based on user-provided spatial vector objects (regions) and spatial raster objects (cells with values). Implemented metrics include inhomogeneity, isolation (Haralick and Shapiro (1985), https://doi.org/10.1016/S0734-189X(85)90153-7, Jasiewicz et al. (2018), https://doi.org/10.1016/j.cageo.2018.06.003), and distinction (Nowosad (2021), https://doi.org/10.1080/13658816.2021.1893324).
You can install the released version of regional from CRAN with:
You can install the development version from GitHub with:
library(regional)
library(terra)
library(sf)
volcano = rast(system.file("raster/volcano.tif", package = "regional"))
vr = read_sf(system.file("regions/volcano_regions.gpkg", package = "regional"))
plot(volcano)
plot(vect(vr), add = TRUE)
How much internally inconsistent each region is?
vr$inh = reg_inhomogeneity(vr, volcano, sample_size = 0.5)
plot(volcano)
plot(vr["inh"], add = TRUE)
How much the focus region differs from its neighbors?
Contributions to this package are welcome - let me know if you need other distance measures or transformations, have any suggestions, or spotted a bug. The preferred method of contribution is through a GitHub pull request. Feel also free to contact us by creating an issue.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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