找不到ggplot2這個包,也安裝不了
> library(ggplot2) Error in library(ggplot2) : there is no package called ‘ggplot2’ Warning: unable to access index for repository https://cran.rstudio.com/src/contrib: ?cannot download all files 提示沒有這個包怎么辦?
> library(ggplot2) Error in library(ggplot2) : there is no package called ‘ggplot2’ Warning: unable to access index for repository https://cran.rstudio.com/src/contrib: ?cannot download all files 提示沒有這個包怎么辦?
2016-10-10
舉報
2016-10-10
Rstudio==>Tools==>Install Pakages==>ggplot2==>install
2016-10-10
是我把雙引號給漏了
應該是install.packages("ggplot2")