Thanks to their visual simplicity, bar graphs are popular tools for representing data. But do we really understand how to read them? New research has found that bar graphs are frequently misunderstood ...

A reader need go no further than page two of Leland Wilkinson’s The Grammar of Graphics before reading, “We will also come to realize why a histogram is not a bar chart and why many other graphics ...

While Excel's charts are excellent tools for displaying complex data in more understandable ways, sometimes, you might want to quickly visualize your numbers in a simpler way that also takes up less ...