Multi-set Bar Chart shows bars joined to each other in different sets on a single axis. All the bars in a set shows the same variables of a category, which helps to compare those variables. This chart shows more information than a simple bar chart.
Why do you need it?
We need Multi-set Bar Chart in order to compare different variables of a single category in one view. They are really easy to understand and looks clean. But if the variables of a category are more, then it becomes complicated to understand.
What kind of data you can visualize with it?
Assume you have a dataset of the count of males and females of different countries, then Multi-set Bar Charts can be beneficial. It will show the male and female bars side by side for every country, which becomes easy to compare.