Open R or RStudio
Install a package from CRAN with `install.packages(“package_name”)`
Replace `package_name` with the actual package name
Install multiple packages with `install.packages(c(“pkg1”, “pkg2”))`
Load a package with `library(package_name)`
Check installed packages with `installed.packages()`
Update installed packages with `update.packages()`
Install from Bioconductor with `BiocManager::install(“package_name”)`
Install from GitHub with `devtools::install_github(“username/repo”)`
Install from a local file with `install.packages(“path/to/package.tar.gz”, repos = NULL, type = “source”)`
Use `help(install.packages)` for package installation options