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write-vignette

write-vignette

Create R package vignettes using R Markdown or Quarto. Covers vignette setup, YAML configuration, code chunk options, building and testing, and CRAN requirements for vignettes. Use when adding a Getting Started tutorial, documenting complex workflows spanning multiple functions, creating domain-specific guides, or when CRAN submission requires user-facing d…

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Documentación de la Skill

GitHub

name: write-vignette locale: wenyan-ultra source_locale: en source_commit: 82c77053 translator: "Julius Brussee homage — caveman" translation_date: "2026-05-03" description: > Create R package vignettes using R Markdown or Quarto. Covers vignette setup, YAML configuration, code chunk options, building and testing, and CRAN requirements for vignettes. Use when adding a Getting Started tutorial, documenting complex workflows spanning multiple functions, creating domain-specific guides, or when CRAN submission requires user-facing documentation beyond function help pages. license: MIT allowed-tools: Read Write Edit Bash Grep Glob metadata: author: Philipp Thoss version: "1.0" domain: r-packages complexity: basic language: R tags: r, vignette, rmarkdown, documentation, tutorial

書示例

立 R 包之長文示例。

用

  • 為包加「速啟」教→用
  • 錄跨多函之複工流→用
  • 立域指(如統法)→用
  • CRAN 呈須超函助頁之用面文→用

入

  • 必:含欲錄函之 R 包
  • 必:示例題與目
  • 可:式(R Markdown 或 Quarto,默 R Markdown)
  • 可:示例需外數或 API 否

行

一:建示例檔

usethis::use_vignette("getting-started", title = "Getting Started with packagename")

得:vignettes/getting-started.Rmd 建附 YAML 前綴。knitr 與 rmarkdown 加 DESCRIPTION 之 Suggests。vignettes/ 目存。

敗:usethis::use_vignette() 敗→驗工目為包根(含 DESCRIPTION)。knitr 未裝→先 install.packages("knitr")。手建:手建 vignettes/ 目與檔,確 YAML 前綴含三 %\Vignette* 條。

二:書示例容

---
title: "Getting Started with packagename"
output: rmarkdown::html_vignette
vignette: >
  %\VignetteIndexEntry{Getting Started with packagename}
  %\VignetteEngine{knitr::rmarkdown}
  %\VignetteEncoding{UTF-8}
---

## Introduction

Brief overview of what the package does and who it's for.

## Installation

```r
install.packages("packagename")
library(packagename)
```

## Basic Usage

Walk through the primary workflow:

```r
# Load example data
data <- example_data()

# Process
result <- main_function(data, option = "default")

# Inspect
summary(result)
```

## Advanced Features

Cover optional or advanced functionality.

## Conclusion

Summarize and point to other vignettes or resources.

得:示例 Rmd 含 Introduction、Installation、Basic Usage、Advanced Features、Conclusion 節。碼例用包出函生可見出。

敗:例行敗→驗包以 devtools::install() 裝。確例用包名於 library()(非 devtools::load_all())。須外資函用 eval=FALSE 示碼不行。

三:配碼塊

按用之塊選:

# Standard evaluated chunk
{r example-basic}
result <- compute_something(1:10)
result

# Show code but don't run (for illustrative purposes)
{r api-example, eval=FALSE}
connect_to_api(key = "your_key_here")

# Run but hide code (show only output)
{r hidden-setup, echo=FALSE}
library(packagename)

# Set global options
{r setup, include=FALSE}
knitr::opts_chunk$set(
  collapse = TRUE,
  comment = "#>",
  fig.width = 7,
  fig.height = 5
)

得:設塊附 include=FALSE 設全選(collapse、comment、fig.width、fig.height)。塊宜配:eval=FALSE 為示碼、echo=FALSE 為隱設、標塊為交互例。

敗:塊選未生效→驗法用 {r chunk-name, option=value}(逗分、邏值無引)。設塊置文頂以先行。

四:理外依

需網或可包之示例:

{r check-available, include=FALSE}
has_suggested <- requireNamespace("optionalpkg", quietly = TRUE)

{r use-suggested, eval=has_suggested}
optionalpkg::special_function()

長算:預算存果:

# Save pre-computed results to vignettes/
saveRDS(expensive_result, "vignettes/precomputed.rds")

# Load in vignette
{r load-precomputed}
result <- readRDS("precomputed.rds")

得:外依優處:可包以 requireNamespace() 條載、網依碼用 eval=FALSE 或 tryCatch()、貴算用預算 .rds 檔。

敗:示例於 CRAN 因可包不存敗→以條變(如 eval=has_suggested)包之。預算果→確 .rds 檔含於 vignettes/ 目附相對路。

五:建試示例

# Build single vignette
devtools::build_vignettes()

# Build and check (catches vignette issues)
devtools::check()

得:示例建無誤。HTML 出可讀。

敗:

  • 缺 pandoc:.Renviron 設 RSTUDIO_PANDOC
  • 包未裝:先 devtools::install()
  • 缺 Suggests:裝 DESCRIPTION Suggests 中包

六:包察驗

devtools::check()

示例察:建正、不過久、無誤。

得:devtools::check() 過無示例誤或警。示例於 CRAN 時內建(典 60 秒內)。

敗:示例致察敗→常修:DESCRIPTION 加缺 Suggests、慢塊 eval=FALSE 減建時、確 VignetteIndexEntry 配題。別行 devtools::build_vignettes() 隔示例特誤。

驗

  • 示例以 devtools::build_vignettes() 建無誤
  • 諸碼塊行正
  • VignetteIndexEntry 配題
  • devtools::check() 過無示例警
  • 示例於 pkgdown 站文現(若應)
  • 建時合理(CRAN < 60 秒)

忌

  • VignetteIndexEntry 不配:YAML 中索引條須配欲用見於 vignette(package = "pkg") 者
  • 缺 vignette YAML 塊:三 %\Vignette* 行皆須
  • 示例 CRAN 過慢:預算或貴行用 eval=FALSE
  • Pandoc 未尋:確 RSTUDIO_PANDOC 環變設
  • 自參包:示例用 library(packagename) 非 devtools::load_all()

參

  • write-roxygen-docs - 函級文補示例教
  • build-pkgdown-site - 示例現於 pkgdown 站為文
  • submit-to-cran - CRAN 有特示例要
  • create-quarto-report - Quarto 為 R Markdown 示例之替
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