R没有安装任何软件包。尝试更改存储库,但软件包未保持安装状态。在Rstudio中一切正常。这是使用mapDamage时遇到的问题
已更改存储库。多次卸载并重新安装了R。
> install.packages("gam")
Installing package into ‘/home/gf/R/x86_64-pc-linux-gnu-library/3.4’
(as ‘lib’ is unspecified)
Warning: unable to access index for repository https://cloud.r-project.org/src/contrib:
cannot open URL 'https://cloud.r-project.org/src/contrib/PACKAGES'
Warning message:
package ‘gam’ is not available (for R version 3.4.4)
将存储库更改为“ http://cran.rstudio.com”,它可以安装,但是一旦我离开R窗口,它就会恢复为原始存储库,并且不再起作用。
答案 0 :(得分:0)
您可以try a different CRAN mirror
例如
options(repos=structure(c(CRAN="https://cran.csiro.au/")))
然后尝试安装?