Installing a Package
Before we can load a package, we need to make sure that it is installed in our system. We can use the `install.packages()` function to install a package. For example, to install the `dplyr` package, we can use the following command:install.packages(\"dplyr\")
Once the package is installed, we can use the `library()` function to load it into our R environment.Loading a Package
To load a package, we use the `library()` function followed by the name of the package. For example, to load the `dplyr` package, we can use the following command:library(dplyr)
When we load a package, R checks if all the dependencies required by the package are also loaded. If any of the required dependencies are missing, R will automatically install and load them.Unloading a Package
To unload a package, we use the `detach()` function followed by the name of the package. For example, to unload the `dplyr` package, we can use the following command:detach(\"package:dplyr\", unload = TRUE)
It is important to unload a package when we are done using it. This ensures that the memory used by the package is released and R runs efficiently.