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Geographical Detector Models

gd()
native geographical detector(GD) model
opgd()
optimal parameters-based geographical detector(OPGD) model
gozh()
geographically optimal zones-based heterogeneity(GOZH) model
lesh()
locally explained stratified heterogeneity(LESH) model
spade()
spatial association detector (SPADE) model
idsa()
interactive detector for spatial associations(IDSA) model
rgd()
robust geographical detector(RGD) model
rid()
robust interaction detector(RID) model
srsgd()
spatial rough set-based geographical detector(SRSGD) model

Compare Size Effect of Spatial Units

sesu_opgd()
comparison of size effects of spatial units based on OPGD
sesu_gozh()
comparison of size effects of spatial units based on GOZH

Variable Discretization Methods

gd_bestunidisc()
best univariate discretization based on geodetector q-statistic
rpart_disc()
discretization of variables based on recursive partitioning
robust_disc()
univariate discretization based on offline change point detection
cpsd_disc()
optimal spatial data discretization based on SPADE q-statistics

Important Algorithm Functions

spd_lesh()
shap power of determinants
loess_optscale()
determine optimal spatial data analysis scale
geodetector()
geographical detector
factor_detector()
factor detector
interaction_detector()
interaction detector
risk_detector()
risk detector
ecological_detector()
ecological detector
srs_geodetector()
spatial rough set-based geographical detector
srs_factor_detector()
spatial rough set-based factor detector
srs_interaction_detector()
spatial rough set-based interaction detector
srs_ecological_detector()
spatial rough set-based ecological detector
gozh_detector()
geographically optimal zones-based heterogeneity detector
cpsd_spade()
compensated power of spatial determinant(CPSD)
psd_spade()
power of spatial determinant(PSD)
psmd_spade()
power of spatial and multilevel discretization determinant(PSMD)
psd_iev()
PSD of an interaction of explanatory variables (PSD-IEV)
pid_idsa()
IDSA Q-saistics PID
psd_pseudop()
calculate power of spatial determinant(PSD) and the corresponding pseudo-p value
psmd_pseudop()
power of spatial and multilevel discretization determinant(PSMD) and the corresponding pseudo-p value

Utility Functions

shuffle_vector()
randomly shuffling vector
weight_assign()
assign values by weight
all2int()
convert all discretized vectors to integer
F_informationloss()
measure information loss by information entropy

S3 Methods for Geographical Detector Models

plot(<ecological_detector>)
plot ecological detector
plot(<factor_detector>)
plot factor detector result
plot(<gd_result>)
plot GD result
plot(<gozh_result>)
plot GOZH result
plot(<idsa_result>)
plot IDSA risk result
plot(<interaction_detector>)
plot interaction detector result
plot(<lesh_result>)
plot LESH model result
plot(<opgd_result>)
plot OPGD result
plot(<rgd_result>)
plot RGD result
plot(<rid_result>)
plot RID result
plot(<risk_detector>)
plot risk detector
plot(<sesu_gozh>)
plot gozh sesu
plot(<sesu_opgd>)
plot opgd sesu
plot(<spade_result>)
plot SPADE power of spatial and multilevel discretization determinant
plot(<srs_ecological_detector>)
plot spatial rough set-based ecological detector
plot(<srs_factor_detector>)
plot spatial rough set-based factor detector result
plot(<srs_interaction_detector>)
plot spatial rough set-based interaction detector result
plot(<srsgd_result>)
plot SRSGD result
print(<ecological_detector>)
print ecological detector
print(<factor_detector>)
print factor detector
print(<gd_result>)
print GD result
print(<gozh_result>)
print GOZH result
print(<idsa_result>)
print IDSA result
print(<interaction_detector>)
print interaction detector
print(<lesh_result>)
print LESH model interaction result
print(<opgd_result>)
print OPGD result
print(<rgd_result>)
print RGD result
print(<rid_result>)
print RID result
print(<risk_detector>)
print risk detector
print(<sesu_gozh>)
print gozh sesu
print(<sesu_opgd>)
print opgd sesu
print(<spade_result>)
print SPADE power of spatial and multilevel discretization determinant
print(<srs_ecological_detector>)
print spatial rough set-based ecological detector
print(<srs_factor_detector>)
print spatial rough set-based factor detector
print(<srs_interaction_detector>)
print spatial rough set-based interaction detector
print(<srsgd_result>)
print SRSGD result

Data

NTDs
NTDs data
ndvi
dataset of NDVI changes and its influencing factors
sim
Simulation data.
srs_table
example of spatial information system table
srs_wt
example of spatial information system spatial adjacency matrix