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.
Scanned 9/3/2026
Install to Claude Code
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---
name: write-vignette
locale: wenyan
source_locale: en
source_commit: 82c77053
fence_basis_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 vignette
為 R 包立長文 vignette。
## 用時
- 為包加「始入」之教程
- 錄跨多函之複流
- 立域特之指南(如統計法)
- CRAN 呈需逾函助之用戶向文
## 入
- **必要**:含函欲錄之 R 包
- **必要**:vignette 之題與題
- **可選**:式(R Markdown 或 Quarto,默 R Markdown)
- **可選**:vignette 是否需外數或 API
## 法
### 第一步:立 vignette 文
```r
usethis::use_vignette("getting-started", title = "Getting Started with packagename")
```
得:`vignettes/getting-started.Rmd` 立附 YAML 額。`knitr` 與 `rmarkdown` 加於 DESCRIPTION 之 Suggests。`vignettes/` 域存。
敗則:`usethis::use_vignette()` 敗者,驗工目為包根(含 `DESCRIPTION`)。`knitr` 未裝者,先行 `install.packages("knitr")`。手立者,立 `vignettes/` 域與文,確 YAML 額含三 `%\Vignette*` 條。
### 第二步:書 vignette 之內
```markdown
---
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.
```text
得:vignette Rmd 含 Introduction、Installation、Basic Usage、Advanced Features、Conclusion 段。碼例用包之出函生顯出。
敗則:例不行者,驗包以 `devtools::install()` 已裝。確例於 `library()` 用包名(非 `devtools::load_all()`)。需外資之函者,用 `eval=FALSE` 示碼而不執。
### 第三步:設碼塊
依用設塊:
```r
# 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:附 `include=FALSE` 之設塊定全選(`collapse`、`comment`、`fig.width`、`fig.height`)。塊宜設:`eval=FALSE` 為示碼、`echo=FALSE` 為隱設、標塊為互例。
敗則:塊選不效者,驗語法用 `{r chunk-name, option=value}` 式(逗分、邏值無引)。確設塊先行,置文首。
### 第四步:處外依
需網或可選包之 vignette:
```r
{r check-available, include=FALSE}
has_suggested <- requireNamespace("optionalpkg", quietly = TRUE)
{r use-suggested, eval=has_suggested}
optionalpkg::special_function()
```
長算者,預算而存果:
```r
# Save pre-computed results to vignettes/
saveRDS(expensive_result, "vignettes/precomputed.rds")
# Load in vignette
{r load-precomputed}
result <- readRDS("precomputed.rds")
```
得:外依正處:可選包以 `requireNamespace()` 條載、網依碼用 `eval=FALSE` 或 `tryCatch()`、貴算用預算 `.rds` 文。
敗則:vignette 於 CRAN 因可選包不可而敗者,以條變(如 `eval=has_suggested`)包之。預算果者,確 `.rds` 文於 `vignettes/` 域且以相對徑引。
### 第五步:建而試 vignette
```r
# Build single vignette
devtools::build_vignettes()
# Build and check (catches vignette issues)
devtools::check()
```
得:vignette 建無訛。HTML 出可讀。
敗則:
- 缺 pandoc:於 `.Renviron` 設 `RSTUDIO_PANDOC`
- 包未裝:先行 `devtools::install()`
- 缺 Suggests:裝 DESCRIPTION 中 Suggests 列之包
### 第六步:於包察驗
```r
devtools::check()
```
vignette 相關察:建正、不過久、無訛。
得:`devtools::check()` 過無 vignette 相關訛或警。vignette 於 CRAN 時限內建(常 < 60 秒)。
敗則:vignette 致察敗者,常修:加缺 Suggests 包於 DESCRIPTION、以 `eval=FALSE` 於慢塊減建時、確 `VignetteIndexEntry` 配題。獨行 `devtools::build_vignettes()` 以孤 vignette 特訛。
## 驗
- [ ] vignette 經 `devtools::build_vignettes()` 無訛建
- [ ] 諸碼塊正執
- [ ] VignetteIndexEntry 配題
- [ ] `devtools::check()` 過無 vignette 警
- [ ] vignette 現於 pkgdown 文之 articles(若用)
- [ ] 建時合理(CRAN < 60 秒)
## 陷
- **VignetteIndexEntry 不配**:YAML 中索條必配 `vignette(package = "pkg")` 中所欲用者見
- **缺 `vignette` YAML 塊**:三 `%\Vignette*` 行皆需
- **vignette 對 CRAN 過慢**:預算果或於貴操用 `eval=FALSE`
- **pandoc 不見**:確 `RSTUDIO_PANDOC` 環變設
- **自引包**:vignette 中用 `library(packagename)` 非 `devtools::load_all()`
## 參
- `write-roxygen-docs` - 函級文補 vignette 教程
- `build-pkgdown-site` - vignette 於 pkgdown 站為 articles
- `submit-to-cran` - CRAN 有特 vignette 要
- `create-quarto-report` - Quarto 為 R Markdown vignette 之別
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