R语言中package ‘xxxx’ is not available (for R version 3.2.5)解决

目录

• 问题描述
• 报错解决

问题描述

今天，想用ggplot2画个图，想下载tidyr和dplyr包进行数据转换。结果，哎，报错了。报错内容如下：

Warning in install.packages :
  InternetOpenUrl failed: ''
Warning in install.packages :
  InternetOpenUrl failed: ''
Warning in install.packages :
  unable to access index for repository http://cran.rstudio.com/src/contrib:
  cannot open URL 'http://cran.rstudio.com/src/contrib/PACKAGES'
Warning in install.packages :
  InternetOpenUrl failed: ''
Warning in install.packages :
  InternetOpenUrl failed: ''
Warning in install.packages :
  unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/src/contrib:
  cannot open URL 'http://www.stats.ox.ac.uk/pub/RWin/src/contrib/PACKAGES'
Warning in install.packages :
  package ‘plyr’ is not available (for R version 3.2.5)
Warning in install.packages :
  InternetOpenUrl failed: ''
Warning in install.packages :
  InternetOpenUrl failed: ''
Warning in install.packages :
  unable to access index for repository http://cran.rstudio.com/bin/windows/contrib/3.2:
  cannot open URL 'http://cran.rstudio.com/bin/windows/contrib/3.2/PACKAGES'
Warning in install.packages :
  InternetOpenUrl failed: ''
Warning in install.packages :
  InternetOpenUrl failed: ''
Warning in install.packages :
  unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/3.2:
  cannot open URL 'http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/3.2/PACKAGES'

报错解决

针对此报错，基本原因是此包被移除或者你的网根本打不开下载这个包的url。所以，你的解决办法可以是从其他地方将此包下载下来，自行安装。或者*，轻松解决。哎，中国的网络始终不能做到通向世界，蛋疼。
为此，本人为了更好的学术，购买了*软件。

下载，再试试下载相关包，如下截图说明一切。