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Robust Geographical Detector & Robust Interaction Detector(RGD & RID)

Load data and package

library(gdverse)

data("ndvi")
names(ndvi)
## [1] "NDVIchange"    "Climatezone"   "Mining"        "Tempchange"   
## [5] "Precipitation" "GDP"           "Popdensity"

Run RGD

ndvi_rgd = rgd(NDVIchange ~ ., data = ndvi,
               discvar = names(dplyr::select(ndvi,-c(NDVIchange,Climatezone,Mining))),
               discnum = 3:8, cores = 12)
ndvi_rgd
## ***      Robust Geographical Detector    
## 
## |   variable    | Q-statistic | P-value  |
## |:-------------:|:-----------:|:--------:|
## | Precipitation |  0.8883955  | 4.77e-10 |
## |  Climatezone  |  0.8218335  | 7.34e-10 |
## |  Tempchange   |  0.3722571  | 3.22e-10 |
## |  Popdensity   |  0.2193538  | 9.31e-10 |
## |    Mining     |  0.1411154  | 6.73e-10 |
## |      GDP      |  0.1406153  | 4.86e-10 |
plot(ndvi_rgd)

Run RID

RID allows you to obtain the interactions of all possible combinations of variables. By default, Spatial Intersection are used to generate a new spatial partition of the interaction variables.

ndvi_rid = rid(NDVIchange ~ ., data = ndvi,
               discvar = names(dplyr::select(ndvi,-c(NDVIchange,Climatezone,Mining))),
               discnum = 8, cores = 12)
ndvi_rid
## ***       Robust Interaction Detector      
## 
## |   variable1   |   variable2   | Interaction  |
## |:-------------:|:-------------:|:------------:|
## |  Tempchange   | Precipitation | Enhance, bi- |
## |  Tempchange   |      GDP      | Enhance, bi- |
## |  Tempchange   |  Popdensity   | Enhance, bi- |
## |  Tempchange   |  Climatezone  | Enhance, bi- |
## |  Tempchange   |    Mining     | Enhance, bi- |
## | Precipitation |      GDP      | Enhance, bi- |
## | Precipitation |  Popdensity   | Enhance, bi- |
## | Precipitation |  Climatezone  | Enhance, bi- |
## | Precipitation |    Mining     | Enhance, bi- |
## |      GDP      |  Popdensity   | Enhance, bi- |
## |      GDP      |  Climatezone  | Enhance, bi- |
## |      GDP      |    Mining     | Enhance, bi- |
## |  Popdensity   |  Climatezone  | Enhance, bi- |
## |  Popdensity   |    Mining     | Enhance, bi- |
## |  Climatezone  |    Mining     | Enhance, bi- |
plot(ndvi_rid)

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.
Health stats visible at Monitor.