R install @Ubuntu20

Aim

R と Rstudio を install

Install R

code:install_R

# To verify key, run gpg --show-keys /etc/apt/trusted.gpg.d/cran_ubuntu_key.asc

# Fingerprint: E298A3A825C0D65DFD57CBB651716619E084DAB9

wget -qO- https://cloud.r-project.org/bin/linux/ubuntu/marutter_pubkey.asc | sudo tee -a /etc/apt/trusted.gpg.d/cran_ubuntu_key.asc

# add the R 4.0 repo from CRAN -- adjust 'focal' to 'groovy' or 'bionic' as needed

sudo add-apt-repository "deb https://cloud.r-project.org/bin/linux/ubuntu $(lsb_release -cs)-cran40/"

# Install R

sudo apt install --no-install-recommends r-base

Install Rstudio