无法在RHEL 7.x

Question

我想在Caret R软件包中使用功能选择，但我无法在我的linux机器上安装它。我尝试了各种各样的事情，我还在dependencies=TRUE内使用install.packages但没有结果。有什么帮助吗？

这是日志：

    Warning: dependency 'car' is not available
    trying URL 'http://cran.rstudio.com/src/contrib/caret_6.0-52.tar.gz'
    Content type 'application/x-gzip' length 3665293 bytes (3.5 Mb)
    opened URL
    ==================================================
    downloaded 3.5 Mb

    ERROR: dependency 'car' is not available for package 'caret'
    * removing '/usr/lib64/R/library/caret'

    The downloaded source packages are in
            '/tmp/RtmpKfvgyR/downloaded_packages'
    Updating HTML index of packages in '.Library'
    Making 'packages.html' ... done
    Warning message:
    In install.packages("caret") :
      installation of package âcaretâ had non-zero exit status
    > 
    > sessionInfo()
    R version 3.1.2 (2014-10-31)
    Platform: x86_64-redhat-linux-gnu (64-bit)

    locale:
     [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
     [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
     [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8
     [7] LC_PAPER=en_US.UTF-8       LC_NAME=C
     [9] LC_ADDRESS=C               LC_TELEPHONE=C
    [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C

    attached base packages:
    [1] stats     graphics  grDevices utils     datasets  methods   base

更新 我已将R升级到版本3.2.1，现在我可以安装插入包了。只需sudo yum install R即可解决。