Column charts are the best way to show simple data comparisons. In this example, the chart displays the number of airplanes (y-axis) that have flown overhead on each day (x-axis) of a given week.

Master Excel charts to transform data into compelling visuals. Learn advanced techniques for effective data visualization.

Microsoft Excel offers a plethora of tools for representing your data visually. The most basic of these — and arguably the most useful — is the humble chart. But it’s not always easy to know ...

A simple graphic that shows who actually voted for Donald Trump. Exit polls are by no means a perfectly accurate measure of ...