How to Install R and RStudio on Windows 11

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R is a powerful programming language for statistical computing and data visualization. RStudio is an integrated development environment (IDE) for R, making it easier to write, debug, and manage R scripts. This guide walks you through the steps of installing R and RStudio on Windows 11.

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Step 1: Download and Install R

  1. Visit the R Project Website:
    Open your browser and go to https://cran.r-project.org/.

  2. Choose a CRAN Mirror:
    Click on a CRAN mirror close to your location (e.g., "0-Cloud [https]").

  3. Download the Windows Installer:

    • Click on Download R for Windows.
    • On the next page, click base under "Subdirectories".
    • Click Download R x.x.x for Windows to download the .exe file.

  4. Run the Installer:

    • Locate the downloaded file (e.g., R-x.x.x-win.exe) in your Downloads folder and double-click it.

  5. Install R:

    • Language: Choose your preferred language and click OK.
    • Setup Wizard: Follow the on-screen instructions:
      • Accept the license agreement.
      • Choose the installation path (default: C:\Program Files\R\R-x.x.x).
      • Select components (leave the defaults checked).
    • Click Finish to complete the installation.

Step 2: Verify R Installation

  1. Open the Start Menu and search for R x64 x.x.x.
  2. Launch R and ensure it opens successfully.
  3. Test R by typing: 
    version
    • This will display the installed R version details.

Step 3: Download and Install RStudio

  1. Visit the RStudio Website:
    Go to https://posit.co/download/rstudio-desktop/.

  2. Download RStudio:

    • Under RStudio Desktop Open Source License, click the Download button for Windows.
    • The .exe file (e.g., RStudio-x.x.x.exe) will start downloading.

  3. Run the Installer:

    • Locate the downloaded file in your Downloads folder and double-click it.
    • Follow the installation wizard:
      • Accept the license agreement.
      • Choose the installation path (default: C:\Program Files\RStudio).
    • Click Install and then Finish to complete the setup.

Step 4: Verify RStudio Installation

  1. Open the Start Menu and search for RStudio.
  2. Launch RStudio.
  3. RStudio should automatically detect your R installation.
    • To confirm, go to Tools > Global Options in RStudio and check the R version under the General tab.

Step 5: Test RStudio

  1. In the Console pane of RStudio, type the following command: 
    print("R and RStudio are working!")
  2. Press Enter.
  3. If everything is set up correctly, the message will be displayed in the console.

Optional: Install R Packages

To enhance R’s functionality, install additional packages:

  1. Open RStudio.
  2. In the console, type: 
    install.packages("ggplot2")
  3. Press Enter to install the ggplot2 package.
  4. Once installed, load the package: 
    library(ggplot2)

Conclusion

You’ve successfully installed R and RStudio on Windows 11. With this setup, you’re ready to explore data analysis, statistical modeling, and visualization. RStudio provides a user-friendly interface that simplifies working with R, making it a great choice for beginners and advanced users alike. Happy coding and data analysis!

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