There’s a reason ggplot2 is one of the most popular add-on packages for R: It’s a powerful, flexible and well-thought-out platform to create data visualizations you can customize to your heart’s ...

The X-axis, which is the horizontal axis, on most Excel charts does not use numeric intervals like the vertical Y-axis does. The X-axis contains either strings of text or a date under each set of data ...

A bar chart is a diagram that uses rows of horizontal or vertical bars to show information. The title tells you what the bar chart is about. The vertical and horizontal lines are called axes. The ...