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vscode-R is the R Extension for Visual Studio Code.

Features

• Create R Integrated Terminal
• Run Source/Selected Line
• Run nrow, length, head, thead, names functions (Ctrl + 1, 2, 3, 4, 5)
• Run code in terminal containing existing R session, for example over SSH (Run Selection/Line in Active Terminal)
• Run all commands in terminal containing existing R session (enable config r.alwaysUseActiveTerminal)
• Extended Syntax (R, R Markdown, R Documentation)
• Create .gitignore based on R.gitignore
• Data frame viewer and Environment viewer(Preview Data frame or Preview Environment)
• Snippets
• Package development shortcuts (Load All, Test Package, Install Package, Build Package and Document)
• Bind keys to custom R commands using command runner functions (r.runCommand, r.runCommandWithEditorPath, r.runCommandWithSelectionOrWord)
• R Session Watcher to interact with R sessions
  • Watch any R session
  • Show value of session symbols on hover
  • Provide completion for session symbols
  • View() any objects including data frames and list objects
  • Show plot output on update and plot history
  • Show htmlwidgets, documentation and shiny apps in WebView

Extension Settings

• r.rterm.windows: set to R.exe path for Windows
• r.rterm.mac: set to R term's path for Mac OS X
• r.rterm.linux: set to R term's path for Linux
• r.rpath.lsp: set to R.exe path for Language Server Protocol
• r.rterm.option: R command line options (i.e: --vanilla)
• r.source.encoding: An optional encoding to pass to R when executing the file
• r.source.focus: Keeping focus when running (editor or terminal)
• r.alwaysUseActiveTerminal: Use active terminal for all commands, rather than creating a new R terminal
• r.bracketedPaste: For consoles supporting bracketed paste mode (such as Radian)
• r.sessionWatcher: Enable R session watcher (experimental)