![]() They take different approaches to resolving the main challenge in representing categorical data with a scatter plot, which is that all of the points belonging to one category would fall on the same position along the axis Categorical Variables in Scatterplots One option is to use a bar plot and add bars for different categories next to each other, called a side-by-side bar plot. We’ll only cover the basics here, for a reference we would recommend A Visual Guide to Stata Graphics by Michael Mitchell, which lays out step-by-step syntax for the countless graphs that can be generated in Stata. However, instead of showing all observations, I want to show mean values of y for x. Is there a way to do this, or do I need to compute mean individually 40 times (for 20 x and Chapter 3 Visualization.
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