Plotting is an essential need when analyzing data. One of the major reasons for developing R was to enable users to create graphics and charts easily and interactively.
Graphs are also useful as the result of the data analysis. Graphics can be an excellent way of communicating your result. R makes it possible to create high resolution graphics that can be used in scientific publications. RStudio includes several utilities that make both uses a bit easier. It has a specific plots panel that can be found at the bottom right-hand side of your RStudio window.
In a normal R session, all the graphics are rendered in a new graphics device (window). In RStudio, on the contrary, all graphics are by default rendered in the plots panel. This is an improvement upon normal R where a plot command opens up a new window and the command window loses its focus. In RStudio the plot generation does not interrupt the flow of analysis. If needed it is possible to enlarge the plot window and zoom in, but...