Question

我试图在 ggplot2 上运行一个简单的代码并收到以下错误：

source("u1.txt")
Error in library(ggplot2) : there is no package called ‘ggplot2’


Error : package ‘foreign’ was built before R 3.0.0: please re-install it
ERROR: lazy loading failed for package ‘maptools’
* removing ‘/home/shivangi/R/i686-pc-linux-gnu-library/3.0/maptools’
* installing *source* package ‘multcomp’ ...
** package ‘multcomp’ successfully unpacked and MD5 sums checked
** R
** data
*** moving datasets to lazyload DB
** demo
** inst
** preparing package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded
* DONE (multcomp)
ERROR: dependencies ‘plyr’, ‘reshape2’, ‘scales’ are not available for package ‘ggplot2’
* removing ‘/home/shivangi/R/i686-pc-linux-gnu-library/3.0/ggplot2’

The downloaded source packages are in
    ‘/tmp/RtmpOGWrr4/downloaded_packages’
Warning messages:
1: In install.packages("ggplot2", dep = TRUE) :
  installation of package ‘Rcpp’ had non-zero exit status
2: In install.packages("ggplot2", dep = TRUE) :
  installation of package ‘plyr’ had non-zero exit status
3: In install.packages("ggplot2", dep = TRUE) :
  installation of package ‘testthat’ had non-zero exit status
4: In install.packages("ggplot2", dep = TRUE) :
  installation of package ‘reshape2’ had non-zero exit status
5: In install.packages("ggplot2", dep = TRUE) :
  installation of package ‘scales’ had non-zero exit status
6: In install.packages("ggplot2", dep = TRUE) :
  installation of package ‘Hmisc’ had non-zero exit status
7: In install.packages("ggplot2", dep = TRUE) :
  installation of package ‘maptools’ had non-zero exit status
8: In install.packages("ggplot2", dep = TRUE) :
  installation of package ‘ggplot2’ had non-zero exit status

Answer 1

我今晚运行ggplot时遇到了同样的错误，基本上你需要尝试安装失败的所有依赖项。对我来说，这是“尺度”，然后是“munsell”，然后是最终（实际问题）“颜色空间”，自从我升级到3.1.1后没有更新。在您的情况下，看起来您想首先尝试安装“外来”，然后再次尝试ggplot2。继续手动加载错误，直到找到真正的问题为止。

Answer 2

您可以指定install.packages()调用也安装所有相关软件包：

if(!require(ggplot2)) install.packages('dplyr',dependencies = TRUE)

上面的代码首先检查是否加载了ggplot2包，如果没有，它会尝试加载apckage。如果它无法加载包，则会尝试安装包及其所有包依赖。

Answer 3

安装了RTools后，我开始使用它了：

install.packages("ggplot2", type="source",dependencies = TRUE)

编了几个包...

确保您的PATH已更新为正确指向RTools，即包括

c:\Rtools\bin;c:\Rtools\gcc-4.6.3\bin

在前面。

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