I think some of it is Rstudio the ide, which shows variables in memory on the side bar, you can click to see them This. Most programming IDEs show the code but

I think some of it is Rstudio the ide, which shows variables in memory on the side bar, you can click to see them This. Most programming IDEs show the code but hide the data. Excel shows the data but hides the code. RStudio is awesome because it shows both the code and the data.