SPATIAL STATISTICS IN R - Amazon S3 · DataCamp Spatial Statistics in R UFO Data. DataCamp Spatial...

DataCamp SpatialStatisticsinR

Bivariatepointpatterns

SPATIALSTATISTICSINR

BarryRowlingsonResearchFellow,LancasterUniversity


BivariatePointPattern


BivariateNearest-Neighbor


BivariateK-Function


KernelSmoothing


spatstatKernelDensityplot(density(ppp))


Splittingpointpatternsplot(ppp)

plot(split(ppp))


DensityofSplitscontrol_density<-density(split(ppp))plot(control_density)

#ratiocases/allplot(control_density[[2]]/density(ppp))


Let'spractice!



Spatialsegregation


BarryRowlingsonResearchFellow,LancasterUniversity


DensityRatio


BandwidthSelection>bw<-spseg(pts,marks,h,poly)>plotcv(bw)>abline(v=bw$hcv,col="red")


RelativeCaseRate


Simulations


SimulatedRates


CompareDatawithSimulations


Usingspatialkernel>plotmc(seg,"Violentcrime")


Let'spractice!



Space-timedata


BarryRowlingsonSpace-timeTraveller


1-DTimePointProcess


Space-TimeData


Space-timeDotmap


HistogramsinTime


Usingrgl


Usingrggobi


Let'spractice!



Space-timeclustering


BarryRowlingsonAClusterofLivingCells


UFOData


SpatialKFunction


Space-TimeKFunction


Space-timeCylinder


KandD


Permutationtest


Usingstmctest>ufo_test<-stmctest(ufo_pts,ufo_times,NM,tlimits,d,t,99)>plot(density(ufo_test$t))>abline(ufo_test$t0)


TheTruthisOutThere


Documents