Debian 10 安裝 R 3.6.3/4.x

apt install -y dirmngr apt-transport-https ca-certificates software-properties-common gnupg2
apt-key adv --keyserver keys.gnupg.net --recv-key 'E19F5F87128899B192B1A2C2AD5F960A256A04AF'

add-apt-repository 'deb https://cloud.r-project.org/bin/linux/debian buster-cran35/'
#add-apt-repository 'deb https://cloud.r-project.org/bin/linux/debian buster-cran40/'

apt update
apt install r-base -y
R --version

相關檔案
/etc/apt/sources.list