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Son’s First Bar Graph Lesson

I gave my son his first bar graph lesson today. Let’s just appreciate this moment for a second.

He vs. She in film screenplay direction

In screenplays, there are directions that tell actors and actresses what to do or what’s happening other than dialogue. Julia …

C’est la vis, teaching kids how to visualize data

By adulthood, it’s expected that we can read charts to some degree. You’re supposed to know how visual encodings map …

Sunsquatch, the only eclipse map you need

It’s solar eclipse time. There have been a lot of maps leading up to this point, but this one by …

Catalog of visualization types to find the one that fits your dataset

There are a lot of visualization methods to choose from, and it can be daunting finding the right visual for …

Killings of blacks by whites ruled “justified”

In a collaboration between The Marshall Project and The Upshot, Daniel Lathrop and Anna Flagg analyzed data for 400,000 homicides …

Photorealistic balls of precious metals placed outside their mines

Artist Dillon Marsh uses CGI balls of metal placed outside of mines to show how much was extracted from each …

How far you can drive out of the city in one hour

Using anonymized cell phone data from Here Technologies, Sahil Chinoy for The Washington Post mapped how far you can drive …

Game of Thrones character chart, you decide

I’ve never seen this Game of Thrones show, but I suspect this will be relevant to many. The Upshot made …

Bread bag alignment chart

From @aurelianrabbit, the bread bag alignment chart. Lawful neutral, right here.

Useless Data Comparisons

Apples and oranges situations where the comparisons make no sense.

How Airbnb Visitors Rate Location in Major US Cities

This is how Airbnb visitors judge location, which provides a view into where city centers begin and end.

Working on Tips, by State

What percentage of a waiter and waitress’s income comes from tips and what comes from salary? The calculation isn’t straightforward but we can try.

Divorce and Occupation

Some jobs tend towards higher divorce rates. Some towards lower. Salary also probably plays a role.

Marrying Later, Staying Single Longer

Using a century of data, we watch the shift of marital status in the United States.

Summary Statistics Tell You Little About the Big Picture

Mean, median, and mode. These are the first things you learn about in your introductory statistics course. It’s often all …

Tutorials See All →

How to Make a State Grid Map in R

Something of a cross between a reference table and a map, the state grid provides equal space to each state and a semblance of the country to quickly pick out individual states.

How to Make Animated Line Charts in R

Sometimes it’s useful to animate the multiple lines instead of showing them all at once.

How to Make a Multi-line Step Chart in R

For the times your data represents immediate changes in value.

Symbols-based Charts to Show Counts in R

Add visual weight by using individual items to show counts.

Guides See All →

Useless Data Comparisons

Apples and oranges situations where the comparisons make no sense.

Summary Statistics Tell You Little About the Big Picture

Mean, median, and mode. These are the first things you learn about in your introductory statistics course. It’s often all …

How Histograms Work

The histogram is one of my favorite basic chart types, because it lets you quickly see the shape and distribution …

How to Spot Visualization Lies

Many charts don’t tell the truth. This is a simple guide to spotting them.