Package index • gdverse

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 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

st_unidisc(): univariate discretization

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

spvar(): spatial variance

spd_lesh(): SHAP power of determinants (SPD)

st_fuzzyoverlay(): spatial fuzzy overlay

loess_optdiscnum(): determine optimal spatial data discretization for individual variables

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

inverse_distance_weight(): calculate inverse distance weight

unidisc_methods(): all discretization methods that can be used in st_unidisc

shuffle_vector(): randomly shuffling vector

rescale_vector(): rescale continuous vector to specified minimum and maximum

generate_subsets(): generate subsets of a set

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(<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