Installing R and RStudio

In this lecture, we will learn how to install R and RStudio on your computer. We will cover the installation process for both Windows and Mac. By the end of this lecture, you will have R and RStudio up and running, ready for data analysis and statistical computing.

Note

Note: Installing R and RStudio is straightforward. Follow the steps below, and if you encounter any difficulties, refer to the provided links or seek help from the community.

Downloading R

Step 1: Visit the CRAN Website

Go to the CRAN website to download the latest version of R. CRAN (The Comprehensive R Archive Network) is the official repository for R software and packages.

Step 2: Choose Your Operating System

Select your operating system (Windows, Mac, or Linux) to download the appropriate installer.

  • Windows: Click on “Download R for Windows” and then “base.” Download the installer and run it.
  • Mac: Click on “Download R for (Mac) OS X” and download the appropriate installer for your version of macOS.

Step 3: Install R

Run the downloaded installer and follow the on-screen instructions to complete the installation.

  • Windows: Double-click the installer and follow the prompts, clicking “Next” until the installation is complete.
  • Mac: Open the downloaded .pkg file and follow the installation instructions.

::: {.callout-note} ::: {.callout-note} If you need detailed instructions, refer to the official R documentation or this helpful installation guide. (Although second one is in Korean, you can right-click on the webpage body and use the translation menu.)
:::

Downloading and Installing RStudio

Step 1: Visit the RStudio Website

Go to the RStudio website to download the free version of RStudio Desktop.

Step 2: Choose Your Operating System

Select your operating system (Windows, Mac, or Linux) to download the appropriate installer.

  • Windows: Click on “Download RStudio for Windows” and download the installer.
  • Mac: Click on “Download RStudio for Mac” and download the installer.

Step 3: Install RStudio

Run the downloaded installer and follow the on-screen instructions to complete the installation.

  • Windows: Double-click the installer and follow the prompts, clicking “Next” until the installation is complete.
  • Mac: Open the downloaded .dmg file, drag the RStudio icon to the Applications folder, and follow any additional prompts.

Verifying Your Installation

Once you have installed both R and RStudio, verify the installation by opening RStudio:

  1. Launch RStudio:

    • On Windows, find RStudio in the Start menu and click to open.
    • On Mac, find RStudio in the Applications folder and double-click to open.

  2. Check the Console:

    • The Console pane should display the R version information, confirming that R is properly installed.
    R version 4.x.x (YYYY-MM-DD) -- "Nickname"

  3. Run a Simple Command:

    • Type the following command in the Console and press Enter to ensure R is functioning correctly:
    print("Hello, R!")
    • You should see the output Hello, R! in the Console.
console pane
console pane

Troubleshooting

If you encounter any issues during the installation, consider the following resources:

Conclusion

Congratulations! You have successfully installed R and RStudio on your computer. You are now ready to start writing and running R code. In the next lecture, we will explore the basic syntax of R and write our first R scripts.

Stay tuned for more exciting content in the R Basics series!

Keywords: Installing R, Installing RStudio, R installation guide, RStudio installation guide, R tutorial for beginners, how to install R, how to install RStudio