Tag archive for Nominal

Bar Charts: Vertical or Horizontal?

Bar Charts: Vertical or Horizontal?

“Ann, should my bar charts be horizontal or vertical?” Ordinal variables get vertical bars Ordinal variables follow a natural progression—an order. I arrange ordinal categories from left to right so my viewers can view the sequence across the page, which means their bars are vertical. Use…

Continue reading →

Nominal, Sequential, or Diverging? Simple Strategies for Improving Any Chart’s Colors

Nominal, Sequential, or Diverging? Simple Strategies for Improving Any Chart’s Colors

Colors can make or break a chart. Colors direct our eye movements, and therefore our brains and attention. It’s up to you: will you help or hinder your reader’s understanding? Here are some simple strategies for communicating clearly with chart color.   Strategy 1: Select…

Continue reading →