CHI(χ)-Files
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CHI(χ)-Files
Exploring the irrational, the visual, and the unexpected
Author
Chisato
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Iroshizuku Meets a Flow Field
Spilling imaginary fountain pen ink into an invisible field.
August 30, 2026
Making Iroshizuku Interactive with Observable
Taking my tiny fountain pen ink dataset from R into Observable JS for a first interactive colour visualization.
August 29, 2026
A Tiny Iroshizuku Ink Shop in R
Turning Pilot’s beautifully named fountain pen inks into a tiny Japanese stationery-shop display with ggplot2.
August 15, 2026
Utiling geom_arc_bar for creation of geometric art
I’m still obsessing with Pentomino dataset that I have been using.
January 19, 2025
Pentomino Solution & Patchwork
In this post, I’m taking deeper dive into a dataset of Pentomino puzzle solutions using R. This time, I’m switching gears from the sf package, but to explore graph theory…
January 16, 2025
Compact Pentomino Solution : Parquet Magic
Confession time: I only discovered Parquet files last year. 🙈 For someone who spends a good chunk of their time in the data world, it felt like a secret club I wasn’t part…
January 12, 2025
Pentomino Solutions 6x10 Rectangle
The 6x10 pentomino challenge asks you to fit all 12 pieces into a rectangle perfectly—no overlaps, no gaps, just pure geometric magic. There are 2339 unique solutions! My…
January 9, 2025
What’s a Pentomino Anyway?
When I was a kid, my dad made a wooden pentomino puzzle which I don’t remember actually solving it (oops!). Many years later, he recreated it with a 3D printer, and while…
January 7, 2025
Recreating the Chaos of Taco Hat Cake Gift Pizza in R
Over the Christmas holiday, my niece and nephew introduced me to Taco Cat Goat Cheese Pizza, a game that’s equal parts chaotic and hilarious. Imagine trying to slap a card…
January 4, 2025
Visualizing 445 Calendar in R
If you’ve worked in retail, you might already know that time isn’t always measured in standard months. Enter the 4-4-5 calendar: a reporting tool that divides a year into 12…
December 29, 2024
Geometic Art Generator with Shiny
ggplot2
—the trusty workhorse of R. It’s definitely have been the go-to package for creating stunning visualizations for years. And it’s not going anywhere anytime soon. 🎉
December 26, 2024
Fish-Eye Lens Effect with ggplot2
The “fish-eye” lens has always fascinated me. It was my gateway into photography—its quirky, distorted charm never failed to add whimsy to my shots. Some of my favourite…
December 22, 2024
Creating a Seigaha Motif with ggplot2
The Seigaiha (青海波) motif, literally translated as “blue ocean waves” is a classic Japanese pattern used in textiles, ceramics, kimono and art. It features stylized waves…
December 21, 2024
Hello World! The First Post!
An introduction to the Chi-Files blog and its exciting journey trying to learn Quarto.
December 21, 2024
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