R+reprex: create a reproducible example when rendering a R markdown file

Question

I cannot give an example, otherwise I would not ask this question at all. I love the reprex package for R. However, sometimes I write some simple R markdown code with I process with rmarkdown::render(). Is there a way I can use the reprex package on an R markdown file to generate a reproducible example which is easy to post, for instance, on this site?

Many thanks

Answer 1

You could use the reprex_render function from reprex package to render .R or .Rmd files.

This is a wrapper around rmarkdown::render() that enforces the "reprex" mentality.

Here is a reproducible example:

reprex::reprex_render(input = "reprex_test.Rmd")

Output viewer:

---

Example Rmarkdown file called reprex_test.Rmd:

---
title: "Untitled"
output: html_document
date: "2024-02-22"
---

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)
```

## R Markdown

This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see <http://rmarkdown.rstudio.com>.

When you click the **Knit** button a document will be generated that includes both content as well as the output of any embedded R code chunks within the document. You can embed an R code chunk like this:

```{r cars}
summary(cars)
```

## Including Plots

You can also embed plots, for example:

```{r pressure, echo=FALSE}
plot(pressure)
```

Note that the `echo = FALSE` parameter was added to the code chunk to prevent printing of the R code that generated the plot.