R Markdown - Quick Tips #1
04/01/2025, TueCode Block Advice
Use the cache=TRUE option
To speed up the compilation time when you write R graphing code, you will have to use the caching option.
```{r cache=TRUE}
As you are creating your charts, you don't want to cache them until you are done because they need to be recomputed. However, if you are ready to move on, you will want to add this option to a code block to reduce compilation time.
If you want to rebuild the whole project again even when all code blocks
have cache=TRUE, then delete the cache folders for R to regenerate.
The cache folders should have these terms at the end of the folder name assuming that you are generating a html document.
*_cache
*_html
Collapse Code Blocks
To make the output of the html more compact, you can hide the actual R code behind containers by default. The containers can then be toggled to be shown by clicking on the 'Show/Hide' button that appears on the right-hand side above where the code block would have appeared.
---
title: ''
author: ''
date: ''
output:
html_document:
code_folding: "hide"
````
Add this option to the frontmatter will still show the print output of the code.