[dracodoc]

R and RStudio are actually quite good in this aspect.

- You can evaluate any part of editor in console with keyboard shortcut. The only difference between using console and editor is that your input is easily saved in editor.

- The environment browser make inspecting variables, data structures much easier.

Besides, in R you want to use vectorized functions for better performance, so you search for general functions and combine them, which actually promote good functional programming style instead of a big control block with many processes intertwined.