6 Visualize the Relation of Two Continuous Variables

6.0.1 Enhance the Scatterplot

6.0.2 The Ellipse

6.0.3 Line of Best Fit

6.0.4 Outlier Detection

6.0.5 Annotate

6.1 Consideration of a Third Variable: Categorical

6.1.1 Map Data from a Grouping Variable to Aesthetics

6.1.2 Trellis (Facet) Scatterplots

6.1.3 Map a Third Continuous Variable into a Visual Aesthetic

6.1.4 Plot Multiple Variables on the Same Panel

6.2 Inter-Relations of a Set of Variables

6.2.1 Scatterplot Matrix

6.2.2 Heat Map of a Correlation Matrix

6.3 Scatterplots for Large Data Sets

6.3.1 Smoothed Scatterplots

6.3.2 Contoured and Hex-binned Scatterplots

6.4 A Presentation-Ready Base R Scatterplot

6.4.1 Base R Scatterplot

6.4.2 Base R Line of Best Fit

Page built: 2019-10-06