Bar graphs seem like one of the simplest ways to represent data. Many people assume that the longer the bar, the bigger the number it represents. Sometimes bar graphs represent an average not a total ...

Perhaps you’ve seen them popping up in your own timeline: insular, blocky chunks of bar graph data curiously sent out by the people you follow. These visual representations are actually lines of ...

Whether you’re genuinely interested in getting insights and solving problems using data, or just attracted by what has been called “the most promising career” by LinkedIn and the “best job in America” ...