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Joe Chelladurai

@joe.fyi

Building theschoolofcode.com - an interactive online course platform

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24.11.2023
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Latest posts by Joe Chelladurai @joe.fyi

A bar chart showing the number of medal events by day for the Winter Olympics 2026.

A bar chart showing the number of medal events by day for the Winter Olympics 2026.

Just learned about the scale_x_date() function. Very useful to plot the number of medal events by day. This week's tidy tuesday data comes from the current Milana Cortina Winter Olympics 2026.

code: joe.fyi/articles/tid...

#tidytuesday #rstats

12.02.2026 02:01 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
A bar chart made with ggplot2

A bar chart made with ggplot2

Wrote a very short article on how to change ggplot2's defaults to make a simple layout like this. joe.fyi/articles/sim...

#rstats #dataviz

09.02.2026 03:05 πŸ‘ 9 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
two images of tables. the right one demonstrates str_to_title()

two images of tables. the right one demonstrates str_to_title()

stringr::str_to_title() saved a few lines for this week's #TidyTuesday

08.02.2026 06:24 πŸ‘ 10 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

This looks nice!

31.01.2026 04:02 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Open Source | The School of Code Explore the source code of our interactive learning explainers. Free to use, modify, and share.

the code is free and open source! www.theschoolofcode.com/open-source

31.01.2026 01:49 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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I made an interactive CSS flexbox explainer with Claude. Hopefully it is useful for someone: www.theschoolofcode.com/explainers/f...

#webdev #css

31.01.2026 00:42 πŸ‘ 4 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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Learn to Code | The School of Code Interactive coding lessons for the world's most popular programming languages. Write real code, get instant feedback, and track your progress.

After months of hard work, I'm launching The School of Code, an online interactive platform to learn how to code. Here is the website. www.theschoolofcode.com Please visit and offer any feedback!

04.01.2026 07:27 πŸ‘ 5 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Kite

Released an updated version of kitedata.app, a point and click interface for analyzing csv/xlsx files and data visualization.

15.12.2025 09:00 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Updated epl cli tool to 1.5 to include the fixtures flag. github.com/joe-chelladu...

14.12.2025 13:58 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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English Premier League Standings as a gradient. github.com/joe-chelladu...

13.12.2025 08:58 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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GitHub - joe-chelladurai/epl: ⚽ CLI tool to view Premier League standings with beautiful gradient colors ⚽ CLI tool to view Premier League standings with beautiful gradient colors - joe-chelladurai/epl

A command-line tool to look at English Premier League Standings: github.com/joe-chelladu...

13.12.2025 08:57 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Kite

Introducing Kite! A Data Analysis and Visualization platform built on a local-first approach with DuckDB as the analytical engine and supabase on the cloud. It is free during alpha testing. Please share your feedback. kitedata.app

11.12.2025 13:01 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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quack.joe-chelladurai.workers.dev

09.12.2025 08:54 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
DuckDB WASM SQL Query Tool

I made a duck db sql query tool that I call "Quack". Check it out and let me know: quack.joe-chelladurai.workers.dev. It runs on the browser with duckDB WASM.

09.12.2025 08:04 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Making something with duckdb

06.12.2025 05:43 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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How I, a non-developer, read the tutorial you, a developer, wrote for me, a beginner - annie's blog β€œHello! I am a developer. Here is my relevant experience: I code in Hoobijag and sometimes jabbernocks and of course ABCDE++++ (but never ABCDE+/^+ are you kidding? ha!)  and I like working with ...

"How I, a non-developer, read the tutorial you, a developer, wrote for me, a beginner" by Annie Mueller πŸ˜… πŸ˜‚ 😭

anniemueller.com/posts/how-i-...

23.09.2025 07:57 πŸ‘ 327 πŸ” 96 πŸ’¬ 15 πŸ“Œ 31

❀️

21.09.2025 12:18 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

In honor of ggplot 4.0 being released, a call back to the greatest #rstats meme I've ever seen.

12.09.2025 01:20 πŸ‘ 34 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0

I want to make more errors now so I can have nice error messages :)

18.08.2025 16:36 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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How to Write a Book advice from one of the 20th century's great picture book authors

open.substack.com/pub/lookinga...

10.07.2025 03:50 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Animation Obsessive Staff on Substack A scene from Invisible (2018), produced by Studio Ponoc. The misadventures of a weightless, invisible man.

substack.com/@animationob...

10.07.2025 03:30 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Chernoff face - Wikipedia

#TodayinHistory #dataviz #Onthisday #OTD πŸ“Š
πŸŽ‚Jul 1, 1923 Herman Chernoff born in New York, USA πŸ‡ΊπŸ‡Έ

1973: Cartoons of human face to represent multivariate data
See 'Chernoff face' displays: en.wikipedia.org/wiki/Chernof...

01.07.2025 19:33 πŸ‘ 8 πŸ” 2 πŸ’¬ 3 πŸ“Œ 0

He’s 101 years old!

03.07.2025 12:16 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
a screenshot of a shiny application with a bird card and interactive leaflet map

a screenshot of a shiny application with a bird card and interactive leaflet map

two wooden birdhouses

two wooden birdhouses

πŸ¦‰I made some birdhouses and a bird shiny app!

Can you guess which one took longer to build? πŸ˜† I love combining my skills in #rstats + engineering + hobbies

🌐 The #rshiny CT Priority Bird Species app is deployed on Posit Connect Cloud: 019669fd-c3a2-a236-f8cb-a7568038d5e9.share.connect.posit.cloud

01.05.2025 20:56 πŸ‘ 9 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
UN Volunteers ad looking for data analysis volunteers

UN Volunteers ad looking for data analysis volunteers

Attention #rstats and #python peeps:
UN Volunteers are looking for volunteers to help with crowd mapping and data analysis for post-earthquake support in #Myanmar:

app.unv.org/opportunitie...

18.04.2025 04:20 πŸ‘ 9 πŸ” 8 πŸ’¬ 0 πŸ“Œ 0
A screenshot of my profile on Codementor.

A screenshot of my profile on Codementor.

I’m excited to share that I’m now available for 1-on-1 consulting on #Codementor πŸ’‘πŸ’» πŸš€

πŸ§‘β€πŸ’» Tackling a tricky #ggplot2 visualization?
πŸ“ Refining your #Quarto reports?
πŸ› οΈ Troubleshooting some #rstats workflows?
πŸ“ˆ Looking for best practices in #dataviz?

I’d be happy to help πŸ’β€β™‚οΈ
www.codementor.io/@z3tt

14.03.2025 14:50 πŸ‘ 31 πŸ” 8 πŸ’¬ 1 πŸ“Œ 0

United have never won 2 games in a row this season!

07.03.2025 16:21 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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From this is Manchester United to is this Manchester United?

07.03.2025 15:55 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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I think Brentford has had the most up / down season so far.

07.03.2025 15:53 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 1
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Making a tiny form chart with just HTML and CSS and Astro.

21.02.2025 15:35 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0