area.graph.statistics	area.graph.statistics
build.node.data	build.node.data
dmatrix.df	dmatrix.df
dps	dps
graph.statistics	graph.statistics
gravity	gravity
knn.graph	knn.graph
plot.gravity	plot.gravity
predict.gravity	predict.gravity
print.gravity	print.gravity
ralu.model	ralu.model
ralu.site	ralu.site
rasters	rasters
summary.gravity	summary.gravity
