When to Use Horizontal Bar Charts vs. Vertical Column Charts
“Ann, should my bar charts be horizontal or vertical?” The vertical-column-chart-or-horizontal-bar-chart question is one of the most common questions I … more »
More »Blog
Bar Charts: Regular or Stacked?
Chart choosing is part art and part science. During workshops, I cover my chart choosing thought process in more detail. … more »
More »The Graph's Scale: Actual Maximum Value or Potential Maximum Value?
Fine-tune your graphs by discussing this question with your colleagues: should our graph’s axes extend to the dataset’s actual maximum … more »
More »The Data Visualization Checklist, 2016 Edition
Back in 2014, we launched the Data Visualization Checklist. Today, we bring you the updated version! Download the Data Visualization … more »
More »Removing the Double Y Axis
My least favorite charts of all time include clustered bar charts, 3D exploding pie charts, and line charts with two … more »
More »How to Save Time and Energy by Analyzing Your Data with Pivot Tables in Microsoft Excel
Pivot tables are the fastest, easiest way to make sense of your data, and they’re easier than you think. In … more »
More »