Column graphs offer a visual representation of data that allows easy comparison between multiple values. Typically, these columns are uniformly spaced, but there are times you will need to group ...

Choosing the right way to visualize your data makes the difference between telling a clear, compelling story or creating cognitive overload. Here's how to pick. Data is best understood when presented ...

Many of the resources referenced are no longer available, and links to them have been removed. Provide access to graphs for users who are blind or visually impaired.Graphs are frequently used in math ...