ggplot不绘制ggmap对象 [英] ggplot not plotting ggmap object

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问题描述

当我从接受的答案(在地图上绘制坐标)运行代码时, ,在安装ggmap后第一次运行时会出现以下错误消息:

 #加载所需的软件包
library( ggplot2)
library(ggmap)

#用你的经纬度点创建一个样本data.frame
lon <-c(-38.31,-35.5)
lat < - c(40.96,37.5)
df < - as.data.frame(cbind(lon,lat))

#得到地图
mapgilbert< ; - get_map(location = c(lon = mean(df $ lon),lat = mean(df $ lat)),zoom = 4,
maptype =satellite,scale = 2)
$
ggmap(mapgilbert)+
geom_point(data = df,aes(x = lon,y = lat,fill =red,alpha = 0.8) ),size = 5,shape = 21)+
guides(fill = FALSE,alpha = FALSE,size = FALSE)

给出了错误:


错误:GeomRasterAnn是使用不兼容的ggproto版本构建的。请重新安装提供此扩展程序的软件包。


我尝试安装ggp​​roto,但错误是:

 >在install.packages中警告:
package'ggproto'不可用(for R version 3.3.2)

在随后的尝试中,错误是:


错误:ggplot2不知道如何处理类ggmap / raster的数据


我可以使用以下图表绘制图片:

  plot(mapgilbert)

我试过了:

  map2<  -  get_map(Rotorua,zoom = 16)
ggmap(data = map2)

返回错误信息:
$ b


错误:ggplot2 doesn '不知道如何处理类ggmap / raster的数据

我只是不知道R到哪里去看解决方案

这可能是版本错误,因为您的代码完全运行在我的机(R 3.3.2)。
devtools :: install_github(dkahle / ggmap)
devtools :: install_github(hadley / ggplot2)



您可以下载软件包devtools,并再次从github安装ggmap和ggplot2。

When I run the code from the accepted answer (Plot coordinates on map), I get the following error message on the first run after installing ggmap:

# loading the required packages
library(ggplot2)
library(ggmap)

# creating a sample data.frame with your lat/lon points
lon <- c(-38.31,-35.5)
lat <- c(40.96, 37.5)
df <- as.data.frame(cbind(lon,lat))

# getting the map
mapgilbert <- get_map(location = c(lon = mean(df$lon), lat = mean(df$lat)), zoom = 4,
                      maptype = "satellite", scale = 2)

# plotting the map with some points on it
ggmap(mapgilbert) +
  geom_point(data = df, aes(x = lon, y = lat, fill = "red", alpha = 0.8), size = 5, shape = 21) +
  guides(fill=FALSE, alpha=FALSE, size=FALSE)

which gives the error:

Error: GeomRasterAnn was built with an incompatible version of ggproto. Please reinstall the package that provides this extension.

I tried installing ggproto, but the error is:

> Warning in install.packages :
  package ‘ggproto’ is not available (for R version 3.3.2)

On subsequent attempts the error is:

Error: ggplot2 doesn't know how to deal with data of class ggmap/raster

I can plot the image using:

plot(mapgilbert)

I tried:

map2 <- get_map("Rotorua", zoom = 16)
ggmap(data = map2)

which returned the follow error message:

Error: ggplot2 doesn't know how to deal with data of class ggmap/raster

I just don't know R well enough to know where to look next for a solution -- have ensured all packages updated.

解决方案

This is probably the version error because your code runs perfectly on my machine (R 3.3.2). devtools::install_github("dkahle/ggmap") devtools::install_github("hadley/ggplot2")

You can download packages "devtools" and install ggmap and ggplot2 from github again.

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