For this week's #TidyTuesday, an interactive Shiny app to explore roundabouts around the world. Select a city from the table to zoom to its roundabouts on the map, search by location, and discover which cities have the most roundabouts. Code: github.com/gkaramanis/t... #RStats #dataviz #Shiny

For this week’s #TidyTuesday, I had fun making a custom table with the reactable R package to show the car attributes in the new Qatar Cars dataset. Code: github.com/gkaramanis/t... #RStats #dataviz

For this week’s #TidyTuesday, I visualized Zurich’s rising summer temperatures. In the past 11 years, avg temperatures rose above 19°C eight times, and highs surpassed 30°C every summer. The Böögg can’t predict the weather, let alone the warming Code: github.com/gkaramanis/t... #RStats #dataviz

For this week’s #TidyTuesday, a two-panel chart showing World Bank's SPI scores for Europe & Central Asia. Most countries in the region have high SPI scores, but a few lag behind. Code: github.com/gkaramanis/t... #RStats #dataviz

For this week's #TidyTuesday, a horizontal bar chart showing the number of exclamation marks per 1 000 words in each Sherlock Holmes book. “The Adventure of the Dying Detective” has the highest rate with 7.72 Code: github.com/gkaramanis/t... #RStats #dataviz

For this week's #TidyTuesday a faceted scatterplot showing TB case notification rate vs mortality rate by WHO region in 2023. Code: github.com/gkaramanis/t... #RStats #dataviz

I visualized the Flint water crisis data for this week's #TidyTuesday showing how sample exclusions masked lead contamination. Code: github.com/gkaramanis/t... #RStats #dataviz

Day 5 of #30DayMapChallenge, Earth Nature Index 2025 for countries/territories Code: github.com/gkaramanis/3... #dataviz #spatial #Rstats #map #science #research

Day 4 of #30DayMapChallenge, My data Maps showing the locations of affiliations for me and my coauthors across six of our research papers. Code: github.com/gkaramanis/3... #dataviz #spatial #Rstats #map #science #research

Day 3 of #30DayMapChallenge, Polygons Uppsala University, founded in 1477, is the oldest university in the Nordic countries. Here are the 30 buildings marked as 'university' and labeled with a name on OpenStreetMap Code: github.com/gkaramanis/3... #dataviz #spatial #Rstats #science #research

Day 2 of #30DayMapChallenge, Lines Uppsala University researchers have collaborated with hundeds of research institutions worldwide. More than 14,000 publications have been co-authored with Karolinska Institutet alone. Code: github.com/gkaramanis/3... #dataviz #spatial #Rstats #science #research

I created a heatmap for this week's #TidyTuesday showing UK literary prize demographics with data from @post45data.bsky.social. White British authors account for 61% of winners vs. 46% shortlisted. Men win 56% vs. 46% shortlisted. Code: github.com/gkaramanis/t... #RStats #dataviz

Day 1 of #30DayMapChallenge, Points There are almost 120,000 research organizations, in more than 17,000 locations, registered in the Research Organization Registry @researchorgs.bsky.social #Rstats #dataviz #spatial #map #science #research

#Makingof of this week’s #TidyTuesday

For this week's #TidyTuesday, rainfall from 12 UK weather stations 2012-2024. I’ve been wanting to try the idea of using letter heights to show data for some time, now possible thanks to {flexfont} by @coolbutuseless.fosstodon.org.ap.brid.gy Code: github.com/gkaramanis/t... #RStats #dataviz

For this week's #TidyTuesday, I explored global differences in severe food insecurity between women and men. In 78 countries, women face higher rates, with the largest gaps seen in Pakistan and Afghanistan. Code: github.com/gkaramanis/t... #RStats #dataviz

For this week's #TidyTuesday, EuroLeague basketball club championships from 1958 to 2024, across four competition formats. Used Wikipedia data instead of the provided dataset 😅 Code: github.com/gkaramanis/t... #RStats #dataviz

For this week's #TidyTuesday, crane migration at Lake Hornborga, Sweden, from 2002 to 2024 Code: github.com/gkaramanis/t... #RStats #dataviz

For this week's #TidyTuesday, the top 16 chess players for August and September Code: github.com/gkaramanis/t... #RStats #dataviz

For this week's #TidyTuesday, pasta carbs and fat. Inspired by @cborstell.bsky.social's plot bsky.app/profile/cbor... Code: github.com/gkaramanis/t... #RStats #dataviz

For this week's #TidyTuesday, a visualization showing how more and more countries allow visa-free travel to most of the world's destinations Code: github.com/gkaramanis/t... #RStats #dataviz

For this week's #TidyTuesday, hex grid maps showing seasonal shifts in frog observations across Australia Code: github.com/gkaramanis/t... #RStats #dataviz

For this week’s #TidyTuesday I looked at summer Billboard Hot 100 number one songs. Since the 90s fewer song debut at #1 in summer but those that do tend to stay at the top for more weeks Code: github.com/gkaramanis/t... #RStats #dataviz

Explore Scotland’s tallest Munros and Munro tops with this week’s #TidyTuesday Code: github.com/gkaramanis/t... #RStats #dataviz

Explore extreme weather attribution studies with a Shiny app for this week's #TidyTuesday App: karamanis.shinyapps.io/ExtremeWeath... Code: github.com/gkaramanis/t... #RStats #dataviz

some light teasing for an upcoming quarto revealjs plugin I have been working on

Income inequality for this week's #TidyTuesday. How do countries redistribute income through taxes and transfers? Code: github.com/gkaramanis/t... #RStats #dataviz

unmute

Something different for this week's #TidyTuesday, looking at Netflix's creative charting, as spotted by @nrennie.bsky.social I measured the actual bar lengths from Netflix's H1 2025 engagement report and compared them to what they should be based on view counts. #RStats #dataviz

A Shiny app for last week's #TidyTuesday. Explore and learn about selected NYC subway artworks App: karamanis.shinyapps.io/New_Yorks_Un... Code: github.com/gkaramanis/t... #RStats #dataviz

British Library ‪@britishlibrary.bsky.social‬ funding for this week's #TidyTuesday Code: github.com/gkaramanis/t... #RStats #dataviz

xkcd color survey results for this week's #TidyTuesday Code: github.com/gkaramanis/t... #RStats #dataviz

Gas prices in the US for this week's #TidyTuesday Code: github.com/gkaramanis/t... #RStats #dataviz

Measles cases by WHO region for this week's #TidyTuesday Code: github.com/gkaramanis/t... #RStats #dataviz

For this week's #TidyTuesday I explored when APIs are added and updated in the APIs.guru directory Code: github.com/gkaramanis/t... #RStats #dataviz

For this week’s #TidyTuesday I recreated two of the charts made by @pewresearch.org: www.pewresearch.org/short-reads/... Code: github.com/gkaramanis/t... #RStats #dataviz

Apple's OS major versions in a chart. The Great Merging is coming #Apple #Dataviz #RStats

Project Gutenberg bookshelf overlap for this week’s #TidyTuesday Code: github.com/gkaramanis/t... #RStats #dataviz

Dungeons & Dragons monsters for this week's #TidyTuesday A Shiny app for exploring monster stats with interactive radar chart App: karamanis.shinyapps.io/shiny-monste... Code: github.com/gkaramanis/t... #RStats #dataviz #Shiny

Water Quality in Sydney beaches for this week's #TidyTuesday Code: github.com/gkaramanis/t... #RStats #dataviz

Vesuvius seismic activity for this week's #TidyTuesday Code: github.com/gkaramanis/t... #RStats #dataviz

NSF grant cuts for this week's #TidyTuesday Code: github.com/gkaramanis/t... Map by @donnermaps.bsky.social of @the-downballot.com at the-db.co/maps #RStats #dataviz

#useR2025 in-person program for this week's #TidyTuesday Code: github.com/gkaramanis/t... #RStats #dataviz

Drawing fish with #ggplot2, inspired by this awesome video: www.youtube.com/watch?v=qlfh... #Rstats #creativecoding

Daily road accidents for this week's #TidyTuesday Code: github.com/gkaramanis/t... #RStats #dataviz

Day 26 of #30DayChartChallenge, Monochrome Sick leave due to stress is rising in Sweden, especially among women Read more (Swedish): www.forsakringskassan.se/nyhetsarkiv/... Code: github.com/gkaramanis/3... #RStats #dataviz

Day 23 of #30DayChartChallenge, Log scale Women health care managers in Sweden earn a lot less than men Code: github.com/gkaramanis/3... #RStats #dataviz

Day 22 of #30DayChartChallenge, Stars How positive are Swedes towards digital health? Code: github.com/gkaramanis/3... #RStats #dataviz

Day 20 of #30DayChartChallenge, Urbanization Breastfeeding during the first year in Swedish municipalities by degree of urbanization Code: github.com/gkaramanis/3... #RStats #dataviz

Day 19 of #30DayChartChallenge, Smooth Antibiotics in Sweden are declining Code: github.com/gkaramanis/3... #RStats #dataviz