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RapidPolygonLookup
View on CRAN: Click
here
Download and install RapidPolygonLookup package within the R console
Install from CRAN:
install.packages("RapidPolygonLookup")
Install from Github:
library("remotes")
install_github("cran/RapidPolygonLookup")
Install by package version:
library("remotes")
install_version("RapidPolygonLookup", "0.1.1")
Attach the package and use:
library("RapidPolygonLookup")
Maintained by
Markus Loecher
[Scholar Profile | Author Map]
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2014-01-28
Latest Update: 2019-01-14
Description:
Facilitates efficient polygon search using kd trees.
Coordinate level spatial data can be aggregated to higher geographical
identities like census blocks, ZIP codes or police district boundaries.
This process requires mapping each point in the given data set to a
particular identity of the desired geographical hierarchy. Unless efficient
data structures are used, this can be a daunting task. The operation
point.in.polygon() from the package sp is computationally expensive.
Here, we exploit kd-trees as efficient nearest neighbor search algorithm
to dramatically reduce the effective number of polygons being searched.
How to cite:
Markus Loecher (2014). RapidPolygonLookup: POLYGON LOOKUP USING KD TREES. R package version 0.1.1, https://cran.r-project.org/web/packages/RapidPolygonLookup. Accessed 03 Dec. 2024.
Previous versions and publish date:
0.1 (2014-01-28 16:28)
Other packages that cited RapidPolygonLookup R package
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Other R packages that RapidPolygonLookup depends,
imports, suggests or enhances
Complete documentation for RapidPolygonLookup
Functions, R codes and Examples using
the RapidPolygonLookup R package
Some associated functions: AddRanges . CropSpatialPolygonsDataFrame . DiagnoseFailure . FindPolygonInRanges . RapidPolygonLookup-package . RapidPolygonLookup . SearchForPolygon . california.tract10 . sf.crime.2012 . sf.polys .
Some associated R codes: AddRanges.R . CropSpatialPolygonsDataFrame.R . DiagnoseFailure.R . FindPolygonInRanges.R . RapidPolygonLookup.R . SearchForPolygon.R . Full RapidPolygonLookup package functions and examples
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