September 22 2022


  • Variable types
  • Mapping variable to plot elements
  • Bar plots with Vega

Variable Types

Numeric Variables

Numeric Variables

Can you think of examples of these two types of numeric variables?

  • Continuous numeric variables
  • Discrete numeric variables

What are good visualization mappings (or encodings) for continuous and discrete numeric variables?

Categorical Variables

Categorical variables are also known as qualitative or nominal variables.