Clustered Bar Charts
Clustered Bar Charts
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To depict the relationship between two categorical variables, we can extend the univariate bar chart seen in the previous lesson into a clustered bar chart. Like a standard bar chart, we still want to depict the count of data points in each group, but each group is now a combination of labels on two variables. So we want to organize the bars into an order that makes the plot easy to interpret. In a clustered bar chart, bars are organized into clusters based on levels of the first variable, and then bars are ordered consistently across the second variable within each cluster.
To depict the relationship between two categorical variables, we can extend the univariate bar chart seen in the previous lesson into a clustered bar chart. Like a standard bar chart, we still want to depict the count of data points in each group, but each group is now a combination of labels on two variables. So we want to organize the bars into an order that makes the plot easy to interpret. In a clustered bar chart, bars are organized into clusters based on levels of the first variable, and then bars are ordered consistently across the second variable within each cluster.
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