Can Your Dataviz Have an Influence on School Reopening Plans?

Jul 28th, 2020 / Data Visualization, Presentations, Reports
Our organizations collect all this data—through surveys, assessments, interviews, and so on—and then what? The default: The data just sits there inside a Dusty Shelf Report. But what if your data could actually inform real-life decisions? I recently sat down with Vivian Jefferson from Loudoun County Public Schools, a growing district in the Washington, D.C. metro area who shared that her graphs had been featured on the news (!!!).
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 »