R studio caret package 安装

R安装caret包

安装代码

install.packages("caret")

安装过程中无法打开文件，报错：

Warning in install.packages :

URL 'http://cran.rstudio.com/bin/macosx/el-capitan/contrib/3.6/caret_6.0-86.tgz': status was 'Failure when receiving data from the peer'

Error in download.file(url, destfile, method, mode = "wb", ...) :

download from 'http://cran.rstudio.com/bin/macosx/el-capitan/contrib/3.6/caret_6.0-86.tgz' failed

Warning in install.packages :

download of package ‘caret’ failed

解决方法

install.packages("http://cran.rstudio.com/bin/macosx/el-capitan/contrib/3.6/caret_6.0-86.tgz", repos = NULL)

参考链接： https://stackoverflow.com/questions/29986476/r-download-of-package-plyr-failed