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GD (version 1.6)

Geographical Detectors

Description

Geographical detectors for measuring spatial stratified heterogeneity, as described in Jinfeng Wang (2010) and Jinfeng Wang (2016) . Includes the optimal discretization of continuous data, four primary functions of geographical detectors, comparison of size effects of spatial unit and the visualizations of results. The descriptions of the package, methods and case datasets refer to the citation information below.

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Version

Install

install.packages('GD')

Monthly Downloads

5,063

Version

1.6

License

GPL-2

Maintainer

Yongze Song

Last Published

July 2nd, 2018

Functions in GD (1.6)

gd

Geographical detectors: factor detector.
gdrisk

Geographical detectors: risk detector.
gdinteract

Geographical detectors: interaction detector.
optidisc

Optimal discretization for continuous variables and visualization.
H1N1

Spatial datasets of H1N1 flu incidences
gdeco

Geographical detectors: ecological detector.
gdm

Geographical detectors: a one-step function.
citv

Counts data within intervals.
disc

Generates discretization parameters for continuous data.
v2m

Converts a vector to a lower triangular matrix.
NDVI

Spatial datasets of vegetation index changes.
stra

Converts discretized data to strata variables.
stra2v

Generates two categorical or discretized variables determined strata.
road_GD

Spatial datasets of road damage conditions.
sesu

Comparison of size effects of spatial units.
riskmean

Geographical detectors: risk means in risk detector.