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README.org

ESS (R) layer

Install
Key Bindings
- Inferior REPL process
- Helpers
Options

/TakeV/spacemacs/media/commit/bdbe05e615068c8f497300e750a82fe711ac8a79/layers/+lang/ess/img/r.jpg

Install

To use this configuration layer, add it to your ~/.spacemacs. You will need to add ess to the existing dotspacemacs-configuration-layers list in this file.

Key Bindings

Inferior REPL process

Send code to inferior process with these commands:

Key Binding	Description
`SPC m c c`	send knitr/sweave chunk and keep buffer focused
`SPC m c C`	send knitr/sweave chunk and switch to REPL in insert mode
`SPC m c d`	send knitr/sweave chunk and step to next chunk
`SPC m c m`	mark knitr/sweave chunk around point
`SPC m c n`	next knitr/sweave chunk
`SPC m c N`	previous knitr/sweave chunk
`SPC m s b`	send buffer and keep code buffer focused
`SPC m s B`	send buffer and switch to REPL in insert mode
`SPC m s d`	send region or line and step (debug)
`SPC m s D`	send function or paragraph and step (debug)
`SPC m s i`	start an inferior REPL process
`SPC m s l`	send line and keep code buffer focused
`SPC m s L`	send line and switch to REPL in insert mode
`SPC m s r`	send region and keep code buffer focused
`SPC m s R`	send region and switch to REPL in insert mode
`SPC m s t`	send thing at point (function) and keep code buffer focused
`SPC m s T`	send thing at point (function) and switch to REPL in insert mode
`CTRL+j`	next item in REPL history
`CTRL+k`	previous item in REPL history

Helpers

Helpers for inspecting objects at point are available in R buffers only.

Key Binding	Description
`SPC m h d`	view data under point using [ess-R-data-view][ess-R-data-view]
`SPC m h i`	object introspection popup [ess-R-object-popup][ess-R-object-popup]
`SPC m h t`	view table using [ess-R-data-view][ess-R-data-view]

Options

ess-smart-equals is disabled by default. In order to enable it, set in your ~/.spacemacs

  (setq-default dotspacemacs-configuration-layers '((ess :variables
                                                         ess-enable-smart-equals t)))

To turn off the automatic replacement of underscores by <-, add the following hook:

  (add-hook 'ess-mode-hook
            (lambda ()
              (ess-toggle-underscore nil)))