在R的数据库中选了数据，install.packages("gRbase")的时候成功了，但是后面的两个语句就进行不下去了。。求大神看看是什么问题，结果附在下面。> install.packages("gRbase")
Installing package into ‘C:/Users/sedaate/Documents/R/win-library/3.3’
(as ‘lib’ is unspecified)
Warning in install.packages :
  dependencies ‘graph’, ‘RBGL’ are not available
trying URL 'https://cran.rstudio.com/bin/windows/contrib/3.3/gRbase_1.8-1.zip'
Content type 'application/zip' length 2812185 bytes (2.7 MB)
downloaded 2.7 MB

package ‘gRbase’ successfully unpacked and MD5 sums checked

The downloaded binary packages are in
        C:\Users\sedaate\AppData\Local\Temp\RtmpGekQxQ\downloaded_packages

> library(gRbase)
Error in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]]) :
  不存在叫‘RBGL’这个名字的程辑包
Error: ‘gRbase’程辑包或名字空间载入失败，
> data(BodyFat)
Warning message:
In data(BodyFat) : 没有‘BodyFat’这个数据集