Nicola Rennie<p>I finally got around to writing up a ✨ chart makeover ✨ blog post based on my (deliberately) bad chart created for the <a href="https://fosstodon.org/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a>! 📊</p><p>Link: <a href="https://nrennie.rbind.io/blog/chart-makeover/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">nrennie.rbind.io/blog/chart-ma</span><span class="invisible">keover/</span></a></p><p><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/DataViz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataViz</span></a> <a href="https://fosstodon.org/tags/ggplot2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ggplot2</span></a></p>
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#30DayChartChallenge
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Nicola Rennie<p>It's almost the end of the <a href="https://fosstodon.org/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a> and for the prompt of "Extraterrestrial", I decided to make a chart designed in the style of an extraterrestrial who has never heard of good data visualisation principles! 📊 </p><p>How many chart crimes can you spot? 🕵️♂️ </p><p><a href="https://fosstodon.org/tags/DataViz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataViz</span></a> <a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/ggplot2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ggplot2</span></a> <a href="https://fosstodon.org/tags/Day29" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Day29</span></a></p>
Nicola Rennie<p>For the "Monochrome" prompt on Day 26 of the <a href="https://fosstodon.org/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a>, I decided to do a little bit of data art in D3! 📊 </p><p><a href="https://fosstodon.org/tags/DataViz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataViz</span></a> <a href="https://fosstodon.org/tags/Day26" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Day26</span></a> <a href="https://fosstodon.org/tags/D3" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>D3</span></a></p>
Di<p>I've seen a common tree snake chase a lizard, whip snakes mating, and pythons fighting. I've also seen 3 legless lizards.</p><p><a href="https://bne.social/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a> <a href="https://bne.social/tags/snake" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>snake</span></a> <a href="https://bne.social/tags/SnakesOfMastodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SnakesOfMastodon</span></a></p>
Nicola Rennie<p>For Day 20 of the <a href="https://fosstodon.org/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a> 📊 and the prompt of "Urbanization", I used <a href="https://fosstodon.org/tags/Python" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Python</span></a> to make a very abstract plot in the style of a city skyline silhouette! 🐍</p><p>(Still using the income inequality data via Our World in Data)</p><p><a href="https://fosstodon.org/tags/DataViz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataViz</span></a> <a href="https://fosstodon.org/tags/Day20" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Day20</span></a></p>
Di<p>One thing I enjoy about this social media chart challenge is that I can sneak in silly choices I wouldn't usually make.</p><p>Behold my gradient, lack of data point circles, and use of curvy lines!</p><p>I also don't have to spend time making it work at a bajillion screen sizes and ratios.</p><p><a href="https://bne.social/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a></p>
Sam Van Horne, Ph.D.<p>For day 2 of <a href="https://vis.social/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a>, I made an area chart in <a href="https://vis.social/tags/rstats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rstats</span></a> to show the increase in automobile crashes in Delaware (and the proportion in which alcohol was involved). It might be a stretch to call it a slope chart. :) <a href="https://vis.social/tags/dataviz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dataviz</span></a> </p><p>Code: <a href="https://github.com/bardolater/30DayChartChallenge/blob/main/2025/02_Slope.r" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/bardolater/30DayCha</span><span class="invisible">rtChallenge/blob/main/2025/02_Slope.r</span></a></p>
Di<p>The Green Catbird's genus name is Ailuroedus, from the Greek for "cat-singer" or "cat-voiced".</p><p>Instead of "Good morning", it says, "heeeir-Ieee-aaa-aarr!"</p><p><a href="https://en.wikipedia.org/wiki/File:Green_catbird_call.wav" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">en.wikipedia.org/wiki/File:Gre</span><span class="invisible">en_catbird_call.wav</span></a></p><p><a href="https://bne.social/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a> <a href="https://bne.social/tags/BirdsOfMastodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BirdsOfMastodon</span></a> <a href="https://bne.social/tags/birds" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>birds</span></a> <a href="https://bne.social/tags/CatBird" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CatBird</span></a></p>
Sam Van Horne, Ph.D.<p>For day 1 of <a href="https://vis.social/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a>, I made a quick waffle chart in <a href="https://vis.social/tags/rstats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rstats</span></a> from open data about automobile crashes in Delaware. As a <a href="https://vis.social/tags/BikeTooter" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BikeTooter</span></a> who commutes to work by <a href="https://vis.social/tags/bike" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bike</span></a>, I'm keenly interested in road safety. </p><p>Code: <a href="https://github.com/bardolater/30DayChartChallenge/blob/main/2025/01_Fractions.r" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/bardolater/30DayCha</span><span class="invisible">rtChallenge/blob/main/2025/01_Fractions.r</span></a></p>
Nicola Rennie<p>It's Day 11 of the <a href="https://fosstodon.org/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a>, and the prompt is "Stripes" 📊 </p><p>📈 Showing % of world income received by richest 1% from 1980-2023 (🔴 = higher inequality)<br>🌡️ Inspired by the iconic climate change warming stripes chart<br>🐍 Made with Plotnine in Python</p><p><a href="https://fosstodon.org/tags/Day11" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Day11</span></a> <a href="https://fosstodon.org/tags/DataViz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataViz</span></a> <a href="https://fosstodon.org/tags/Python" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Python</span></a></p>
Nicola Rennie<p>It's Day 10 of the <a href="https://fosstodon.org/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a>, and the prompt is "Multi-modal" 📊 </p><p>📈 Showing distribution of % of income received by richest 1% from 1980-2023<br>🔴 = higher inequality <br>💻 Made with {ggridges} in <a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RStats</span></a></p><p><a href="https://fosstodon.org/tags/Day10" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Day10</span></a> <a href="https://fosstodon.org/tags/DataViz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataViz</span></a></p>
Di<p>Did you know word order in Auslan (Australian Sign Language) is not the same as in English? It's a whole different "natural language"!</p><p>Apparently many Australian Aboriginal cultures have also had manually coded language, as signed counterparts of their oral languages!</p><p>Indigenous sign language is not only used by people with hearing loss. Many Indigenous languages are multi-modal!</p><p>There's the Warlpiri language, spoken by about 3,000 of the Warlpiri people in the Northern Territory, and there's Warlpiri Sign Language AKA Rdaka-rdaka ("hand signs") with about 1,500 signs.</p><p>And did you know there are one-handed and two-handed fingerspelling alphabets used in different English-speaking countries?</p><p>Auslan is a visual language using hand shape, orientation, location, movement, and expression! There's about 38 major hand shapes and 25ish variants.</p><p>I thoroughly enjoyed learning more about Auslan today.</p><p><a href="https://bne.social/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a> <a href="https://bne.social/tags/auslan" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>auslan</span></a> <a href="https://bne.social/tags/steno" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>steno</span></a></p>
Nicola Rennie<p>It's Day 7 of the <a href="https://fosstodon.org/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a>, and the prompt is "Outliers" 📊 </p><p>💻 Data wrangling in <a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RStats</span></a><br>📈 Scatter plot made with Observable<br>🗒️ Static tooltips for annotations (+ dynamic tooltips for exploring)</p><p><a href="https://fosstodon.org/tags/Day7" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Day7</span></a> <a href="https://fosstodon.org/tags/DataViz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataViz</span></a> <a href="https://fosstodon.org/tags/Observable" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Observable</span></a></p>
Miki :rstats:<p><a href="https://techhub.social/tags/Day6" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Day6</span></a> of <a href="https://techhub.social/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a>, theme: <a href="https://techhub.social/tags/FlorenceNightingale" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FlorenceNightingale</span></a></p><p>🔄🇪🇸 Estacionalidad promedio de compraventas de vivienda en España (2007-2024). Coxcomb plot muestra meses con ventas típicamente >100 (altas) o <100 (bajas) vs media anual.</p><p>Método: X-13ARIMA-SEATS con <a href="https://techhub.social/tags/rstats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rstats</span></a> {seasonal}. Datos: INE.</p><p>📂 Código: <a href="https://t.ly/lC34V" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">t.ly/lC34V</span><span class="invisible"></span></a></p><p><a href="https://techhub.social/tags/dataviz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dataviz</span></a> <a href="https://techhub.social/tags/espa%C3%B1a" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>españa</span></a> <a href="https://techhub.social/tags/vivienda" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>vivienda</span></a> <a href="https://techhub.social/tags/INE" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>INE</span></a> <a href="https://techhub.social/tags/TimeSeries" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TimeSeries</span></a> <a href="https://techhub.social/tags/Seasonality" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Seasonality</span></a></p>
Nicola Rennie<p>It's Day 6 of the <a href="https://fosstodon.org/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a>, and the prompt is "Florence Nightingale (theme day)" 📊 </p><p>🌹 Chart styled based on her iconic Rose Diagram using <a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RStats</span></a><br>✍️ Curved text with {geomtextpath}<br>🛠️ Custom facet layout with {ggh4x}</p><p><a href="https://fosstodon.org/tags/Day6" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Day6</span></a> <a href="https://fosstodon.org/tags/DataViz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataViz</span></a></p>
Steven Ponce<p>📊 2025 <a href="https://graphics.social/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a> | day 05 | comparison | ranking<br>.<br>🔗: <a href="https://stevenponce.netlify.app/data_visualizations/30DayChartChallenge/2025/30dcc_2025_05.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">stevenponce.netlify.app/data_v</span><span class="invisible">isualizations/30DayChartChallenge/2025/30dcc_2025_05.html</span></a><br>.<br><a href="https://graphics.social/tags/rstats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rstats</span></a> | <a href="https://graphics.social/tags/r4ds" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>r4ds</span></a> | <a href="https://graphics.social/tags/dataviz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dataviz</span></a> | <a href="https://graphics.social/tags/ggplot2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ggplot2</span></a></p>
Nicola Rennie<p>For Day 3 of the <a href="https://fosstodon.org/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a>, the prompt is "Circular" 📊 </p><p>☀️ Sunburst plot showing countries where 1% have >10% of wealth<br>📈 Data formatting <a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RStats</span></a> to create JSON data<br>👁️🗨️ Figured out how to edit an imported D3 chart in Observable</p><p><a href="https://fosstodon.org/tags/Day3" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Day3</span></a> <a href="https://fosstodon.org/tags/DataViz" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataViz</span></a> <a href="https://fosstodon.org/tags/Observable" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Observable</span></a></p>
Di<p>Macadamia facts!</p><p>Apart from being completely delicious and an Aussie native and farmed near my home in <a href="https://bne.social/tags/Queensland" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Queensland</span></a>, macadamia nuts are darn near uncrackable unless you have a fancy macadamia nut cracker.</p><p>Which I do.</p><p><a href="https://bne.social/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a></p>
hrbrmstr 🇺🇦 🇬🇱 🇨🇦<p>Excellent <a class="hashtag" href="https://bsky.app/search?q=%23RStats" rel="nofollow noopener" target="_blank">#RStats</a> {waffle} 🧇 sighting in the wild, for the inaugural of this year's <a class="hashtag" href="https://bsky.app/search?q=%2330DayChartChallenge" rel="nofollow noopener" target="_blank">#30DayChartChallenge</a>! (tho, i am obvsly biased)<br><br>RE: <a href="https://bsky.app/profile/did:plc:7ebnmsusl3r2uuaf24igiazh/post/3llqfnupk7s2g" rel="nofollow noopener" target="_blank">https://bsky.app/profile/did:plc:7ebnmsusl3r2uuaf24igiazh/post/3llqfnupk7s2g</a></p>
Lisa Hornung<p>A visualisation of my cycle ride to work in London for <a href="https://fosstodon.org/tags/30DayChartChallenge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>30DayChartChallenge</span></a> Day22 - mobility (Bermondsey > Old Street).</p><p>Took me quite a few attempts to record the data. 😅 Also tried dogs, but there weren't any 😢 </p><p> <a href="https://fosstodon.org/tags/Cycling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cycling</span></a> <a href="https://fosstodon.org/tags/ActiveTravel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ActiveTravel</span></a> <a href="https://fosstodon.org/tags/Urbanism" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Urbanism</span></a></p>
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