projects
👨💻 A list of personal GitHub-based projects that I, Matt Dray, have worked on for fun.
- 📦 R packages
- ✨ R Shiny apps
- 🕸 Websites
- 📽 Presentations
- ➕ Other
📦 R Packages
These are all hosted on GitHub; none are on CRAN. Install with
remotes::install_github(). You can find a refined selection of the
(possibly?) more useful ones on my R-universe
page. The source for the
hex logos is my matt-dray/stickers
repo.
| Name | Hex | What | Links |
|---|---|---|---|
| {ActionSquirrel} | Play an audiovisual ‘game’ in your R console, thanks to {R6} | Source Blog |
|
| {altcheckr} |  |
Accessibility checker: scrape websites and assess image alt-text | Source Site Blog |
| {badgr} | Generate a customised README metadata badge from shields.io | Source Site Blog |
|
| {blogsnip} | RStudio Addins for {blogdown} content | Source Site Blog |
|
| {cabinet} | Demo to teach package generation with {usethis} | Source Site Blog Slides |
|
| {coloratio} | Check the contrast of two colours for accessibility | Source Blog |
|
| {cran} |  |
Work with an antiquated unit of uncleaned herrings | Source Site Blog |
| {dehex} |  |
Learn how to read a colour hex code | Source Blog |
| {dialga} |  |
Create standard cron strings from R expressions | Source Blog |
| {dray} | A small handful of miscellaneous personal functions | Source Blog |
|
| {emojiscape} | Generate a small emoji scene in your console | Source Blog |
|
| {gdstheme} | {xaringan} theme and template for the Government Digital Service, in package form | Source Site Blog Slides |
|
| {ghdump} |  |
Download/clone all GitHub repos for a given user | Source Site Blog |
| {gpx3d} | Extract geospatial data from a GPX file and plot it as an interactive 3D object. | Source Blog |
|
| {kevinbacran} |  |
Calculate graph distances for CRAN authors, á la ‘the six degrees of Kevin Bacon’ | Source Site Blog App |
| {linkrot} | Detect ‘link rot’ (when links to a web page break because it’s been taken down or moved) | Source Blog |
|
| {oystr} |  |
Work with data from Transport for London’s Oyster card payment system | Source Site Blog |
| {pico} |  |
Create an R package with the minimum required content | Source Blog |
| {r2eng} |  |
Translate R expressions to English sentences | Source Site Blog |
| {safar6} | Playable simulation of the Safari Zone from Pokémon Blue using {R6} OOP | Source Blog |
|
| {skyphone} | Get contributions data from the GitHub Skyline API (deprecated) and visualise/sonify it | Source Blog |
|
| {tidyquiz} | A {learnr}/{shiny} hack to generate random quiz questions about {tidyverse} functions | Source App Blog |
✨ R Shiny apps
Apps hosted on shinyapps.io.
| Name | What | Links |
|---|---|---|
| Animal Crossing Popularity Contest | Swipe left or right on villagers from Nintendo’s Animal Crossing New Horizons, Tinder-style | App Source Blog |
| LeWitt ReMix | An app to remix ‘art’ in the style of Sol LeWitt for #RecreationThursday | App Source Blog |
| Randoflag | Small app to provide a new-browser-tab flag challenge | App Source Blog |
| Tidyquiz | A {learnr}/{shiny} hack to generate random quiz questions about {tidyverse} functions | App Source Blog |
| What’s your Hadley number? | Visual demo of my {kevinbacran} package: find shortest paths to Hadley Wickham by CRAN authorship | App Source Blog |
Apps on GitHub, but not hosted.
| Name | What | Links |
|---|---|---|
| Deer-vehicle collisions in Scotland | Explore open data on deer strikes in Scotland, 2000 to 2017 | Source Blog |
| How many footballers at World Cup 2018 were younger than you? | Realise it’s too late for you to become a professional footballer | Source Blog |
| Mission Across IOW | Investigate the easiest route to cross the Isle of Wight on foot in a straight line (work in progress) | Source Blog |
| Read a colour hex code | Learn how to interpret the colour encoded in a hex code with {dehex} (work in progress) | Source Blog |
🕸 Websites
Pages written with R Markdown. All source code on GitHub.
| Name | Type | What | Served via | Links |
|---|---|---|---|---|
| matt-dray.com | Personal site made with {postcards} | A single-page launchpad for links to Twitter, GitHub, etc | Netlify with CI | Source Blog |
| rostrum.blog | Blog made with {blogdown} | Fun and learning with R: posting tutorials, tips, data exploration, visualisations | Netlify with CI | Source About |
| faxcrayon.art | Single page RMarkdown with {bs4cards} | A gallery of recreations/remixes/original art | GitHub Pages | Source Blog |
📽 Presentations
Most slides made with the {xaringan} package.
| Title | Where, when | What | Links |
|---|---|---|---|
| Hit your reproducibility {targets} | Data Science Festival, UK Government, virtual, Sep 2020 | Introduction and demo of the {targets} package for workflow reproducibility in R | Slides Source Blog |
| {drake} for reproducible workflows | Bionformatics London Meetup, London, Jan 2020 | Introduction and demo of the {drake} package for workflow reproducibility in R | Slides Source Blog |
| Reproducibility in R: three things | Data Science Week, Department for Education, virtual, Jan 2020 | Advice on making your R projects more reproducible | Slides Source Blog |
| Easier R packages with {usethis} | Coffee & Coding, UK Government, London, Nov 2019 | How to build an R package from scratch with the {usethis} package | Slides Source Blog |
| Can {drake} RAP? | Coffee & Coding, UK Government, London, Oct 2019 | Introduction and demo of the {drake} package for workflows as part of a Reproducible Analytical Pipeline (RAP) | Slides Blog Materials |
| {crosstalk}: Shiny-like without Shiny | EARL 2018 conference, London, Sep 2018 | Intro and demo of the {crosstalk} package to allow HTML widgets to update dynamically without {shiny} | Slides Source Blog Materials Memes |
| Intro to R Markdown | Department for Education, London, May 2018 | Quick introduction to R Markdown for beginners | Slides Source Blog |
➕ Other
Some other bits and bobs that seem worthwhile to mention.
| Name | What | Links |
|---|---|---|
| gamelad | An RStudio theme to mimic the original GameBoy’s green palette (intended for use with my {safar6} package) | Source Blog |
| Hex stickers | Hexagonal sticker designs, mostly for R packages | Source |
| Dataviz recreations | Attempts to recreate/remix data visualisations and art (see also faxcrayon.art) | Source Blog 1 Blog 2 |
| londonmapbot | A Twitter bot that tweets a MapBox satellite image of a random part of London, made with {rtweet} and GitHub Actions | Twitter Source Blog |
| Emojis to SVG | Script to fetch SoftBank’s 1997 emoji set (the first-ever?) and convert them to SVG format | Source Blog |
| Tidyswirl | A work-in-progress introduction to the tidyverse using {swirl} for learning R from within R itself | Source Blog |