However, the term “multivariate” is typically reserved for situations where you specifically have more than one outcome variable. When an analysis addresses multiple variables, then it is called as multivariate analysis. When an analysis addresses the associations between pairs of variables, it’s called a bivariate analysis. When an analysis addresses one variable at a time, it’s called a univariate analysis. The methods that you can discuss in this chapter allow you to visualize the connections between three or more variables at a time. Outside of a basic laboratory experiment, however, there is often a need to look at several variables at once. The methods that are covered in the previous sections provided an initial approach to explore the associations between variables, but those methods are limited to two variables at a time.
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