安装TwoSampleMR

安装TwoSampleMR
输入devtools::install_github("MRCIEU/TwoSampleMR")后报错
Error in utils::download.file(url, path, method = method, quiet = quiet, :
download from 'https://api.github.com/repos/MRCIEU/TwoSampleMR/tarball/HEAD' failed
为什么？怎么解决？

你得安装方法不正确