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r - 在 R studio 中安装 xlsx 包

问题描述

我试图在 R studio 中安装 xlsx 包，但它返回了一些错误。无法确定是什么问题。请帮忙。这是错误日志

Warning in install.packages :
  unable to access index for repository https://cran.rstudio.com/src/contrib:
  cannot open URL 'https://cran.rstudio.com/src/contrib/PACKAGES'
Installing package into ‘C:/Users/lenovo/Documents/R/win-library/3.5’
(as ‘lib’ is unspecified)
Warning in install.packages :
  unable to access index for repository https://cran.rstudio.com/src/contrib:
  cannot open URL 'https://cran.rstudio.com/src/contrib/PACKAGES'
Warning in install.packages :
  package ‘xlsx’ is not available (for R version 3.5.1)
Warning in install.packages :
  unable to access index for repository https://cran.rstudio.com/bin/windows/contrib/3.5:
  cannot open URL 'https://cran.rstudio.com/bin/windows/contrib/3.5/PACKAGES'

标签： rxlsx

解决方案

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