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在森林圖所以我把樹木成地圖馬達加斯加 對數據集的開頭是這樣的:堆焊點
#ggmap!
library(ggmap)
library(mapproj)
map <- get_map(location = 'Madagascar', zoom = 4)
ggmap(map)
map <- get_map(location = 'Madagascar', zoom = 10)
geocode("kianjavato")
#lon lat
#47.86682 -21.38024
k <- "kianjavato"
#qmap(k, zoom = 16)
#qmap(k, zoom = 16, source = "stamen", maptype = "toner")
myMap <- get_map(location=k, source="stamen", maptype="toner", crop=FALSE, zoom=16)
# having trouble zooming
ggmap(myMap)
這裏是我使用,使地圖代碼並獲得積分:
ggplot(data=GPScorrect,aes(x=Lon,y=Lat))+geom_point()
但是,當我去繪製兩者結合起來使用此代碼:
ggmap(myMap) + geom_point(data=GPScorrect,aes(x = 'Lon', y ='Lat'))
我收到此錯誤信息:
Error: Discrete value supplied to continuous scale
請幫助