Say you want to identify clusters in a scatterplot of points. K-Means is commonly used method that might get you there. Yi Zhe Ang explains how the method works with a visual and interactive essay. | Continue reading
Anahad O’Connor, Aaron Steckelberg and Garland Potts, for The Washington Post, made charts that compare the benefits of coffee and tea. But let’s be honest here. All we really want to see in … | Continue reading
The Olli library aims to make it easier for developers to improve the accessibility of existing charts: Olli is an open-source library for converting data visualizations into accessible text struct… | Continue reading
Simon Willison asked a straightforward question about the tools people use: If someone gives you a CSV file with 100,000 rows in it, what tools do you use to start exploring and understanding that … | Continue reading
It seems a lot of data scientists have either left or were laid off from their jobs during the past few months. Jacqueline Nolis and Emily Robinson, data scientists who hosted a podcast and wrote a… | Continue reading
Kelton Sears used a vertical scroll upwards to think about trees and time.…Tags: comic, Kelton Sears, time, trees | Continue reading
Bringing in data from various federal agencies: Climate Mapping for Resilience and Adaptation (CMRA) integrates information from across the federal government to help people consider their local ex… | Continue reading
Here's the good stuff for September.Tags: roundup | Continue reading
You know those signs in workplaces that keep track of days since injury? Making use of NASA APIs, Neal Agarwal used that concept to keep track of natural disasters. As of this writing, it’s b… | Continue reading
R provides functions for basic shapes, but you can also draw your own for maximum fun.Tags: R | Continue reading
NOAA provides a map of potential flooding due to Hurricane Ian headed towards Florida. Red indicates greater than 9 feet of flooding above ground. | Continue reading
When someone fires a gun into the air, the bullet travels thousands of feet in elevation. Gravity pulls the bullet back down, and it accelerates fast enough to penetrate a human skull by the time i… | Continue reading
To teach, learn, and measure the process of analysis more concretely, Lucy D’Agostino McGowan, Roger D. Peng, and Stephanie C. Hicks explain their work in the Journal of Computational and Gra… | Continue reading
Randall Munroe provides another fine observation through xkcd. I often wonder what our data and charts will look like a century or two from now. Will the conventions and aesthetics look silly and a… | Continue reading
Wildfire obviously damages the areas it comes in direct contact with, but wildfire smoke can stretch much farther. Based on research by Childs et al., Mira Rojanasakul, for The New York Times, show… | Continue reading
I heard you like spiral charts when the data is seasonal. I think that’s what Kevin Schaul and Hamza Shaban, for The Washington Post, had in mind when they charted housing demand through the … | Continue reading
Rafael Moral sang a very nerdy data analyst song, to the tune of “One Week” by Barenaked Ladies: The “Data Horror Stories Song”, inspired by a tweet by @rogierK and commissioned by @Lis… | Continue reading
If you just always assume the data is right, you'll probably finish with garbage.Tags: questions | Continue reading
In a collaborative effort with UX agency Kore, Moritz Stefaner describes work with World Health Organization to develop a data design language for their evolving data collections: Deliberately desi… | Continue reading
A reliable dense fog in San Francisco is a defining characteristic of the city, to the delight of some and less delight to others, but the pattern of fog could be on its way out as the climate chan… | Continue reading
Drew Harwell, for The Washington Post, reporting on a growing database and who has access to the records: The rapid expansion of the database and the ability of 2,700 CBP officers to access it with… | Continue reading
Aaron Reiss and Oscar Molina Palestina, for The Pudding, explore the sounds of Mexico City, focusing on the street vendors and daily life. With implementation by Michelle McGhee and illustrations b… | Continue reading
Annie Fu, Walt Hickey, and Shayanne Gal, for Insider, show the disproportionately aging government officials with a series of straightforward charts with lines moving up. You expect age across most… | Continue reading
With the growth in online shopping over the years, companies required more space to store their products, which gave rise to mega warehouses (more than 100k square feet) across the country. Judith … | Continue reading
Sarah Slobin and Joanna Plucinska, for Reuters, report on the challenges of counting and tracking thousands of orphans in Ukraine who were evacuated and relocated when Russia invaded: When Russia i… | Continue reading
Time spent data munging is time well spent.Tags: munging | Continue reading
Serena Wiliams’ tennis career is impressive for its success and longevity, which are easily seen here. The Athletic compiled a list of the Grand Slam champions that Williams beat between 1991… | Continue reading
Changing the fonts you use for labels and annotation is one of the easiest ways to make charts more readable and less messy, which makes a chart more inviting to examine. For Datawrapper, Lisa Char… | Continue reading
Measuring the condition of the economy is tricky, because there are many parts to the economy. You can’t just say it’s good or bad. So Ben Casselman and Lauren Leatherby, for The New Yo… | Continue reading
Krisztina Szűcs likes to make animated charts to show sports results, from fencing, handball, soccer, to hockey. She cataloged all of her sports charts in one place. I’m partial to the triang… | Continue reading
Dries Depoorter recorded video from open cameras for a week and scraped Instagram photos. Then he used AI to identify the people in the photos and their locations. Depoorter calls it The Follower. | Continue reading
Reuters reported on the fires in the Arctic and the relatively high levels of carbon emissions they release in the atmosphere. The map above shows carbon emissions from wildfire in 2021, and the ch… | Continue reading
It's nice that visualization has developed over the years to the point that there are dedicated classes for it, but I also like learning informally.Tags: learning, rules | Continue reading
Harry Stevens, for The Washington Post, how simulations can be used to detect severely gerrymandered congressional districts. In the interactive, you play the role of concerned citizen with the tas… | Continue reading
Know Your Meme analyzed a decade of meme data to see where the memes have come from, breaking it down by year. It’s all Twitter and TikTok these days, but it used to be YouTube and 4chan. | Continue reading
Time for less work and more play.Tags: fun, play | Continue reading
Meaningfulness scores from the American Time Use Survey provide a hint of what we value.Tags: meaning, time use, well-being | Continue reading
By Engaging Data, this interactive map shows various splits of the United States with the condition that each division has the same population: This visualization lets you divide the US into 1,2,3,… | Continue reading
It appears China wants to impose a blockade around Taiwan with ships, submarines, and airplanes. The New York Times mapped the possibility and how it could disrupt life in and around the island. | Continue reading
We tend to celebrate the wins in sports and often forget about or don’t see the climb that athletes take to get to the top. Artur Galocha and Adrian Blanco, for The Washington Post, look back… | Continue reading
The contents of this diagram is not in my scope, but it is a very big, detailed diagram of metabolic pathways. Many steps, many arrows. | Continue reading
Researchers Xiaofan Liang and Clio Andris estimated the percentage of restaurants that are chains and independent to identify “McCities”: These high chainness McCities are prevalent in … | Continue reading
Introduction to Probability for Data Science is a free-to-download book by Purdue statistics professor Stanley H. Chan: We need a book that balances the theory and practice. We need a book that pro… | Continue reading
Here's the good stuff for August.Tags: roundup | Continue reading
If you’ve eaten at a restaurant lately, you might have noticed a substantially higher bill than you’re used to. You’d be right to assume that it’s because of things like inf… | Continue reading
Communicate to fewer people to reach more.Tags: audience, generic, specificity | Continue reading
Dominic Royé mapped river discharge in Europe over the past few months: A single map for the worst #drought in 500 years in Europe. The river discharge anomaly based on reanalysis data from June to… | Continue reading
Reuters goes with the radar chart to show gas supplies, as European countries prepare for the winter and possibly no gas from Russia. The circular shape shows the annual cycle, the gray shows the p… | Continue reading