Choosing Histogram Bins
A Mathematical Starting Point
November 16, 2025|
ToolsHistogramsResource
Chartosaur Blog
Practical takes on data visualization and storytelling.
Social Media Usage
When Small Multiples Beat a Single Chart
October 14, 2025|
Small MultiplesLine ChartsTrendCommentary
The win here isn’t the data, it’s the layout. Small multiples for each age group in light blue, plus one dark-blue total. You see the pattern for every segment and the pattern for the world without six lines wrestling on one chart.
Isochrones
Mapping Access in Minutes, Not Miles
October 5, 2025|
MapsUrban PlanningData VisualizationResource
Most maps push us to think in distance, but some decisions need minutes. Isochrones swap miles for time and show what you can actually reach.
China vs. the World in Solar
Side by Side
September 21, 2025|
SolarComparisonCommentary
China's solar expansion is really highlighted in this chart. In just the first half of 2025, it added 256 GW, more than double what the rest of the world managed combined. That's the headline, and this chart from Ember delivers it with confidence.
A Clean, Striking Chart
With One Smoothing Slip
April 30, 2025|
Line ChartsCommentary
This chart from @Barchart caught my eye right away. It shows a major economic shift—the top 1% of U.S. earners now hold more wealth than the entire middle class. That's a powerful story—and the chart tells it clearly. Almost.
Where the Sun Shines
Daylight & Solar Intensity Across Cities
April 15, 2025|
HeatmapCommentary
Came across this visualization by @naspli in r/dataisbeautiful and had to share. It shows how daylight and sun intensity change over the year in different cities—and it does it in a really clear, elegant way.
Fragging Beautiful
A 3D Look at CS2’s de_dust2 Kill Zones
April 7, 2025|
3DDensity PlotCommentary
I came across this gem on Reddit and had to share. It's a visual breakdown of where frags happen on de_dust2 in pro CS2 matches—and it's a great case study in when 3D does work in data viz.
Online Gambling
Bar Chart
April 2, 2025|
Bar chartsLayoutRevenueSports BettingCommentary
