我无法通过最新版本的 RStudio and R Version.3.1.1.
安装软件包。我得到了下面提到的错误:
Example:
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/3.1
Installing package into ‘C:/Users/Documents/R/win-library/3.1’
(as ‘lib’ is unspecified)
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/3.1
Warning in install.packages :
package ‘reshape’ is not available (for R version 3.1.1)