Sep 10th, 2018 /
If you’re not sure which chart to use, start here with the classic bar chart. Most of the time, bar charts … more »
More »

Stacked Column

Sep 7th, 2018 /
We often need to display patterns over time. In those situations, the first idea that probably comes to mind is … more »
More »

When to Use Horizontal Bar Charts vs. Vertical Column Charts

Jan 31st, 2017 / Data Visualization
The vertical-column-chart-or-horizontal-bar-chart question is one of the most common questions I receive about bar charts. It depends on what type of variable you’re graphing. If you took a research methods or statistics class back in college, then you might remember learning about terms like nominal, ordinal, interval, or ratio variables. Some of these variables are better suited to vertical column charts while other variables are better suited to horizontal bar charts. Let’s look at a few examples.
More »

How to Sketch, Doodle, and Draw Data Visualization Drafts by Hand

May 31st, 2016 / Data Visualization
Your job is to draw all the different versions of your dataset before you sit down to your computer. Draw, draw, draw. Aim for 5, 10, or 15 different types of graphs. The more you learn about data visualization, the more versions you’ll be able to draw. What would your dataset look like as a bar chart? As a stacked bar chart? A line graph? A pie chart? A tree map?
More »

At-a-Glance Patterns with Area Charts

Aug 27th, 2014 / Data Visualization
A few weeks ago I showed you how to create small multiples bar charts simply by creating a stacked bar chart in Excel with invisible white segments. In 5 minutes or less! Today’s strategy to use area charts takes a few minutes longer, but the result is worth it.
More »