Slope

The line chart’s fraternal twin. Line charts display three or more points in time while slope charts display exactly two points in time.

Resources

• Edward Tufte’s “Slopegraphs” by Charlie Park
• A Slopegraph Update by Charlie Park
• More on Slope Graphs by Cole Nussbaumer
• To Slope Chart or Not to Slope Chart? by Jon Schwabish

Examples

• Percentage of Americans renting their homes, 2006 vs. 2013
• Surge pricing for tech startups

• Panel
• All
• Stacked Area