我是一个R新手 我在调用一个包的时候 出现了这样的提示:
> library(CPE)
Loading required package: survival
Loading required package: rms
Loading required package: Hmisc
Loading required package: lattice
Loading required package: Formula
Loading required package: ggplot2
Find out what's changed in ggplot2 at
http://github.com/hadley/ggplot2/releases.
Attaching package: ‘Hmisc’
The following objects are masked from ‘package:base’:
format.pval, round.POSIXt, trunc.POSIXt, units
Loading required package: SparseM
Attaching package: ‘SparseM’
The following object is masked from ‘package:base’:
backsolve
上边的提示 说是我要下载
Loading required package: survival
Loading required package: rms
Loading required package: Hmisc
Loading required package: lattice
Loading required package: Formula
Loading required package: ggplot2
Find out what's changed in ggplot2 at
http://github.com/hadley/ggplot2/releases.
这些包 可是我下载了以后 再次调用
> library(CPE) 还是提示以上这些
哪位好心的朋友能帮帮我 这是怎么回事吗?


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