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#1newyorkdf <-data.frame(纽约$ LAT,纽约$ LON)
#2。确定群集的数量
ggplot(newyorkdf,aes(x = newyork.LON,y = newyork.LAT,color = newyorkdf $ fit.cluster))+ geom_point()
> newyorkdfnewyork.LAT newyork.LON fit.cluster1 40.75573 -73.94458 12 40.75533 -73.94413 13 40.75575 -73.94517 14 40.75575 -73.94517 15 40.75575 -73.94517 16 40.75575 -73.94517 1.....80 40.84832 -73.82075 1181 40.84923 -73.82105 1182 40.84920 -73.82106 1183 40.85021 -73.82175 1184 40.85023 -73.82178 1185 40.86444 -73.89455 11
gg +geom_point(data = newyorkdf,aes(x = newyork.LON,y = newyork.LAT),color = newyorkdf $ fit.cluster,alpha = .5)+ ggtitle(“纽约公共WiFi”)
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