Rstudio commands how to#
Rstudio commands code#

Everything in R is stored as an object and to access values you must first assign them as objects.

Rstudio commands code#

Right now you will see R has an object called “x.” Where did this object come from? You created this when you copied and ran code from the plot function example. You can also save the entire R history page as a special R History file. You can send a line back to your editor script or to the console. Here you will see a history of all the commands you have sent to the R console in your session. Last but not least, let’s check out the Environment tab on the upper right hand side of RStudio. With the buttons above you can do things like export the plot or zoom in on it. Running this code you will now see a plot in the Plot tab of the lower right hand pane. # Simple quantiles/ECDF, see ecdf() for a better one: Let’s run the final example: #last example from R's help documentation on the plot function:

Scrolling down the help documentation on the plot function, you will see a few examples. For now we will use the ? command to get help on the plot function itself.

This tab will hold any plots you create in your R section. Suggested post: “5 Ways to Get Help in R” In the help pane we now see R’s documentation on this function. In this example we will search for the sqrt function. (You can also use the the help() function to get more information about a given function.) It returns a help file when you use a “?” in front of a function in your command prompt. The help tab in this pane is particularly useful. Next we move to the lower right-hand side of RStudio. You can also run multiple lines of code at the same time by highlighting and running all of them.įinally, save your R script by going to File | Save or with the Ctrl + S keyboard shortcut. Find the selection for “Run Current Line or Selection” and change the shortcut by keying “Ctrl + R” in instead of “Ctrl + Enter.” To change your keyboard shortcut setting you can go to Tools | Modify Keyboard Shortcuts. I prefer the older shortcut Ctrl + R to run code. You can also use Ctrl + Enter in RStudio. To run this code, click the Run button at the top of the script editor. Place your cursor anywhere in the line of the code you want to send to the console to execute. These lines will not be executed and are instead notes for the programmer. This way you can save a long-term record of the code you ran.Īnother nice feature here is to leave comments in your script by starting the line with the “#” character. While you can operate directly from the console, it’s often a good idea to write them in a script and then send them to the console. In my free-mini course I dig a bit deeper into operating in the R console. Enter your operations here and then press “Enter” to send them to the console. Here you will see the “>” sign followed by a blinking cursor. This is where commands are submitted to R to execute. In the lower left-hand corner of RStudio. What do all these panes mean? We will cover what each of them do. If you do not see a window on the upper-left hand side, open a new script with the keyboard shortcut Ctrl + Shift + N on Windows. When you open up RStudio for the first time you should see something like the above. From this you will start to see just what is so “integrated” about this integrated development environment. In this post I will walk through each pane and what it does. Open up RStudio for the first time and it might look like some mad scientist’s Mission Control.

Rstudio commands how to#

In a previous post I explained how to install RStudio, a popular integrated development environment for the R programming language.