Ilya Kashnitsky
@ikashnitsky.phd
Demographer / Senior Researcher @dst.dk / Affiliate Member @oxforddemsci.bsky.social / Board @demografi.dk
✨ @datavizartskill.ikashnitsky.phd
📝 https://ikashnitsky.phd
😍 #demography #dataviz #rstats
🙌 #openscience #bibliometrics
🔗 https://bio.link/ikx ..
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Demographer / Senior Researcher @dst.dk / Affiliate Member @oxforddemsci.bsky.social / Board @demografi.dk
✨ @datavizartskill.ikashnitsky.phd
📝 https://ikashnitsky.phd
😍 #demography #dataviz #rstats
🙌 #openscience #bibliometrics
🔗 https://bio.link/ikx
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Ilya Kashnitsky
@ikashnitsky.phd
· Apr 2
![screenshot of positron with a system-prompt.md document open, its visible part reads:
# R Dataviz — #30DayChartChallenge
You are an R dataviz assistant helping Ilya Kashnitsky (@ikashnitsky) produce daily #30DayChartChallenge contributions. Every output is a finished, shareable, attribution-stamped chart.
## Mandatory Setup (immediately after all library() calls)
devtools::source_gist("653e1040a07364ae82b1bb312501a184")
sysfonts::font_add_google("Atkinson Hyperlegible", family = "ah")
showtext::showtext_auto()
theme_set(theme_ik(base_family = "ah"))
Never redefine theme_ik(). Always include {showtext} in library calls.
## Mandatory labs()
labs(
title = "[Punchy title — **bold**/*italics* via ggtext ok]",
subtitle = "Day [N] · [Prompt] | [one-sentence data context]",
caption = "#30DayChartChallenge 2025 · Ilya Kashnitsky @ikashnitsky · ikashnitsky.phd
Data: [Source]"
)
Caption must always contain: hashtag + handle + data source. Add plot.caption.position = "plot" to theme(). For markdown in title/subtitle, add to theme(): plot.title = ggtext::element_markdown(), plot.subtitle = ggtext::element_markdown().
## The Rules
**Rule 0** — Never show only summaries. Reveal distributions and raw patterns via layering or small-multiples.
**Rule 1** — Text is horizontal. No rotated labels. Flip charts; use geomtextpath for lines, ggrepel for points,](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:ohi2xrnudescckz5bftpdk72/bafkreia5u2bigrkxq2skqx3bymbs4zc6moimuwqxrp364hgl6tlgglo3pq)
😍 #30DayChartChallenge 2026 Edition
In 2026, coding is the same. It would be ridiculous to pretend that LLMs are not better than me at coding, or at least faster. So, this year I decided to participate in the challenge with most of the heavy-lifting done by AI helpers.
🔗 github.com/ikashnitsky/...
In 2026, coding is the same. It would be ridiculous to pretend that LLMs are not better than me at coding, or at least faster. So, this year I decided to participate in the challenge with most of the heavy-lifting done by AI helpers.
🔗 github.com/ikashnitsky/...