Typically used to show trends over time, the slope of the line between two points shows patterns of change.
Tutorials and Guides
Visualizing Patterns on Repeat
Things have a way of repeating themselves, and it can be useful to highlight these patterns in data.
How to Make (and Animate) a Circular Time Series Plot in R
Also known as a polar plot, it is usually not the better option over a standard line chart, but in select cases the method can be useful to show cyclical patterns.
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.
How to Spot Visualization Lies
Many charts don't tell the truth. This is a simple guide to spotting them.
Days Without a Mass Shooting
Unfortunately, while of varying magnitude, mass shootings are somewhat regular in the United States.
Who Earns More Income in American Households?
Compared to 1970, a shift towards women making the higher income.
Boost economy with immigration
Want to increase the GDP? Easy. Let more immigrants in. Lena Groeger for…
Marrying Later, Staying Single Longer
Using a century of data, we watch the shift of marital status in the United States.
The Warriors’ Championship Path
As expected, this time, the Golden State Warriors won the championship last night.…
LeBron James passed Michael Jordan in playoff points
As a Golden State Warriors fan, I am obligated to dislike LeBron James,…
Draw the patterns of Obama’s presidency
A couple of years back The New York Times asked readers to draw…
How Much We Eat vs. How Much We Need
On average, we use less energy as we age, and so we should eat less. We don’t always adjust soon enough though.
Stephen Curry 3-point record ridiculousness
Stephen Curry made 402 three-pointers this regular season, which is ridiculous. Gregor Aisch…
Divorce Rates for Different Groups
We know when people usually get married. We know who never marries. Finally, it's time to look at the other side: divorce and remarriage.
People get married at various ages, but there are definite trends that vary across demographic groups. What do these trends look like?
Years You Have Left to Live, Probably
The individual data points of life are much less predictable than the average. Here's a simulation that shows you how much time is left on the clock.