7) Browsing and Installing Packages.

This Blog entry is from the Getting Started in R section in Learn R.

For the purposes of these Blog entries all external packages will be sourced from CRAN via Rstudio.   In this Blog entry the graphics and plotting package titled ggplot2 will be installed.

Navigate to the Packages pane, clicking the tab if necessary, in the botton right hand corner of RStudio:

packages-window-in-rstudio.png

Click on the button Install:

packages-install-button-in-rstudio.png

The Install Package dialog box will display,  defaulting to the CRAN mirror:

cran-repository-in-rstudio-install-window.png

To search for a package by name, type the name in the package textbox:

ggplot2
automatically-finding-packages-from-cran-mirror.png

Autocomplete will suggest two packages having reviewed potential matched on CRAN,  accept \ click on the suggested ggplot2:

ggplot-install-package-in-rstudio.png

Always keep the Install Dependencies button as checked.  Clicking install will send commands to the console to install the packages:

ggplot-package-being-installed-to-console.png

The package is now installed. 

Executing the search() function it can be observed however that the package appears not to be loaded:

confirming-ggplot-package-has-been-installed-in-r-console.png