You can access the RStudio IDE by clicking on the
RStudio icon on Jupyter Lab.
The only difference between using R from Jupyter and RStudio is that RStudio is limited to one version of R (the latest installed in the system).
You can use all the features from the RStudio IDE such as developing Shiny Apps.
Rstudio from the Jupyter Notebook Classic
Click on the
New dropdown and then click on