我无法通过RStudio and R Version.3.1.1.Kindly帮助的最新版本安装软件包.我得到了如下所述的错误:
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)
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