Bar graphs are a fundamental tool in data visualization, providing a clear and concise way to represent categorical data. They allow us to compare the frequency or magnitude of different categories, ...

With bar graphs, there are two different things that the heights of bars commonly represent: 1. The count of cases for each group – typically, each x value represents one group. This is done with stat ...

See how easy it is to create interactive web graphs from ggplot2 visualizations with the ggiraph R package. You can even link graphs so that clicking one dataviz affects the display of another. Static ...

One of the most appealing things about R is its ability to create data visualizations with just a couple of lines of code. [This story is part of Computerworld’s “Beginner’s guide to R.” You’ll find ...

Labeling all or some of your data with text can help tell a story — even when your graph is using other cues like color and size. ggplot has a couple of built-in ways of doing this, and the ggrepel ...