1. Thinking about Graphics Scales in Stata

2. Level of measurement Categorical versus continuous Categorical data may be represented as Position along a categorical axis Aesthetics such as color, marker type Paneling Continuous data may be represented as Position along a continuous axis Aesthetics such as color, marker size

3. Categories as axes

4. Categories as aesthetics

5. Bivariate category axes & aesthetics

6. Bivariate category paneling

7. Univariate continuous axis

8. Bivariate continuous axes

9. Summary (continuous) by category

10. Scatter by category

11. Coordinates Systems Cartesian, mostly Polar, for pie Dimension 2 to 4, as an overlay Order Category order Continuous order, forward or reversed Measurement units Linear, the usual Log

12. Cartesian and polar

13. Layering

14. Layering, continuous

15. Layered, categorical

16. Order, categorical