目前运行ubuntu 14.04 LTS 64位。
几天前，dplyr运行得很完美，但是从我的软件包列表中“消失”了（RStudio版本0.98.1049）。
尝试从CRAN重新安装dplyr并获得以下内容：
> install.packages("dplyr")
Installing package into ‘/home/stu/R/x86_64-pc-linux-gnu-library/3.0’
(as ‘lib’ is unspecified)
Warning in install.packages :
dependency ‘lazyeval’ is not available
trying URL 'http://cran.rstudio.com/src/contrib/dplyr_0.3.0.1.tar.gz'
Content type 'application/x-gzip' length 643851 bytes (628 Kb)
opened URL
==================================================
downloaded 628 Kb
ERROR: dependency ‘lazyeval’ is not available for package ‘dplyr’
* removing ‘/home/stu/R/x86_64-pc-linux-gnu-library/3.0/dplyr’
Warning in install.packages :
installation of package ‘dplyr’ had non-zero exit status
The downloaded source packages are in
‘/tmp/RtmpwxSL1L/downloaded_packages’
我真的很喜欢dplyr并且害怕失去访问权限。有人可以帮我吗？谢谢。 - 斯图