Ggplot - Geom (geometric objects) - type of plot

About

Geom is a short for geometric objects that describe the type of plot produced.

• point for point (to create a scatterplot)
• line for a line
• …

The geom_… functions are shortcuts for a layer set to a geom with a default statistic.:

• geom_point is layer with a point geom

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Shape

Geoms define the basic “shape” of the elements on the plot

• Basics: point, line, polygon, bar, area
• Composite: boxplot, pointrange
• Text: text