#+title:    :lang ess
#+subtitle: 73.6% of all statistics are made up
#+created:  February 05, 2018
#+since:    21.12.0 (#410)

* Description :unfold:
This module adds support for various statistics languages, including R, S-Plus,
SAS, Julia and Stata.

** Maintainers
/This module has no dedicated maintainers./ [[doom-contrib-maintainer:][Become a maintainer?]]

** Module flags
- +stan ::
  Enable support for ~stan-mode~, including code completion and syntax checking.
- +tree-sitter ::
  Leverages tree-sitter for better syntax highlighting and structural text
  editing. Currently only supports ~ess-r-mode~. Requires [[doom-module::tools tree-sitter]].

** Packages
- [[doom-package:ess]]
- [[doom-package:ess-R-data-view]]
- [[doom-package:polymode]]
- [[doom-package:poly-R]]
- if [[doom-module:+stan]]
  - [[doom-package:company-stan]] if [[doom-module::completion company]]
  - [[doom-package:eldoc-stan]]
  - [[doom-package:flycheck-stan]] if [[doom-module::checkers syntax]]
  - [[doom-package:stan-mode]]

** Hacks
/No hacks documented for this module./

** TODO Changelog
# This section will be machine generated. Don't edit it by hand.
/This module does not have a changelog yet./

* Installation
[[id:01cffea4-3329-45e2-a892-95a384ab2338][Enable this module in your ~doom!~ block.]]

This module has several optional dependencies:

- [[https://github.com/jimhester/lintr][lintr]]: for R linting.
- [[https://github.com/REditorSupport/languageserver][languageserver]]: for LSP support in an R buffer (with [[doom-module:+lsp]] flag).

* TODO Usage
#+begin_quote
 󱌣 /This module's usage documentation is incomplete./ [[doom-contrib-module:][Complete it?]]
#+end_quote

** :map ess-doc-map
| key | command                    |
|-----+----------------------------|
| "h" | ess-display-help-on-object |
| "p" | ess-R-dv-pprint            |
| "t" | ess-R-dv-ctable            |

** :map ess-mode-map
| key          | command               |
|--------------+-----------------------|
| "<s-return>" | ess-eval-line         |
| "<up>"       | comint-next-input     |
| "<down>"     | comint-previous-input |

** :localleader
| state | key         | command                                           |
|-------+-------------+---------------------------------------------------|
| :nv   | ","         | ess-eval-region-or-function-or-paragraph-and-step |
| :n    | "'"         | R                                                 |
| :n    | "<tab>"     | ess-switch-to-inferior-or-script-buffer           |
| :n    | "<backtab>" | ess-switch-process                                |
| :n    | "B"         | ess-eval-buffer-and-go                            |
| :n    | "b"         | ess-eval-buffer                                   |
| :nv   | "d"         | ess-eval-region-or-line-and-step                  |
| :n    | "D"         | ess-eval-function-or-paragraph-and-step           |
| :n    | "L"         | ess-eval-line-and-go                              |
| :n    | "l"         | ess-eval-line                                     |
| :nv   | "R"         | ess-eval-region-and-go                            |
| :nv   | "r"         | ess-eval-region                                   |
| :n    | "F"         | ess-eval-function-and-go                          |
| :n    | "f"         | ess-eval-function                                 |
| :n    | "h"         | ess-doc-map                                       |
| :n    | "x"         | ess-extra-map                                     |
| :n    | "p"         | ess-r-package-dev-map                             |
| :n    | "v"         | ess-dev-map                                       |
| :n    | "cC"        | ess-eval-chunk-and-go                             |
| :n    | "cc"        | ess-eval-chunk                                    |
| :n    | "cd"        | ess-eval-chunk-and-step                           |
| :n    | "cm"        | ess-noweb-mark-chunk                              |
| :n    | "cp"        | ess-noweb-previous-chunk                          |
| :n    | "cn"        | ess-noweb-next-chunk                              |

* TODO Configuration
#+begin_quote
 󱌣 This module has no configuration documentation yet. [[doom-contrib-module:][Write some?]]
#+end_quote

* Troubleshooting
/There are no known problems with this module./ [[doom-report:][Report one?]]

* Frequently asked questions
/This module has no FAQs yet./ [[doom-suggest-faq:][Ask one?]]

* TODO Appendix
#+begin_quote
 󱌣 This module has no appendix yet. [[doom-contrib-module:][Write one?]]
#+end_quote