6. Installing R and R Studio (Mac, Linux & Windows)

DOWNLOADING AND INSTALLING THE REQUIRED R PACKAGES

Downloading and installing R distribution

• Go to the R website to download the latest R package

• Download the desired R distribution for your OS, for my setup it is Windows.

• Once you are directed to the download page, press install R for the first time, and click on the download link.

• You just need to download and install the R distribution on your machine.

• For mac version, its the same. Just download the latest R binary distribution on the top of the page.

• Just install the R distribution using the default configuration.

• But you also need an IDE to work with your programming language of R.

• Most people find the best and most convenient IDE to use, is RStudio.

Downloading and Installing RStudio IDE

• Go to the RStudio website to download the latest RStudio IDE.

• Press on Download RStudio and scroll to download RStudio desktop for Windows.

• Run the installation process and use the default settings for RStudio.

Opening and customizing RStudio

• Open RStudio and you should see the UI displayed on your screen.

• Go to tools and Global Options on a Windows machine.

• On Mac, it will be somewhere in the top left and it will be preferences.

• You can change your preference under Appearance, for different schemes, styles and font size

• If you want to have default, just select TextMate(Default) and apply.

• Typing your first command in R, in RStudio IDE.

    print("Hello World!")

• Just press Ctrl Enter after the line to run the code.