The help window pops up within Visual Studio as a tool window. You can get help for a specific topic by title using the
? command in R:
All standard Visual Studio tool window behavior is available to the R Help window.
You can search help using the ?? command in R. Note that you have to quote the search term if it includes spaces.
You can right-click on a function in the editor or the REPL window
Pressing F1 during an auto-complete operation will send the sub-string used for the auto-complete to the R search engine to return a set of pages that match that sub-string search:
To bring up results in your browser:
You’ve always had the option of running the help system inside of a Visual Studio tool window, or by launching the help in the default browser for your computer. If you are using the tool window option (which is the default), you now have the ability to type search terms into a separate search input field:
Lots of us run into problems writing our code and turn to the Internet for help.
We’ve streamlined this a bit further by incorporating keyword search directly
into RTVS. For example, if you were trying to figure out how to use the dplyr
filter function in the following code, all you need to do is place your caret
on the filter function call, and press
This will bring up search results in a separate tool window.
By default we append “R” to the end of your search term, and scope the search to Stack Overflow, but you can configure it to search with an arbitrary search clause in the Options dialog for RTVS: