小编Liu*_* Su的帖子

我需要将包“XML”安装到 R。它总是报告“XML 不适用于 R（版本 3.1.1）” 我试图下载 .tar 但它仍然没有工作。谁能帮我解决这个问题？

> install.packages("XML", repos = "http://www.omegahat.org/R");
Warning in install.packages :
  cannot open: HTTP status was '404 Not Found'
Warning in install.packages :
  cannot open: HTTP status was '404 Not Found'
Warning in install.packages :
  unable to access index for repository http://www.omegahat.org/R/bin/windows/contrib/3.1

   package ‘XML’ is available as a source package but not as a binary

Warning in install.packages :
  package ‘XML’ is not available (for R version 3.1.1)