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Many variables

In addition to aesthetics, facets are another way of encoding factor (i.e. categorical) variables. They can be used to reduce the complexity of plots with many variables.

Our goal is the plot in the viewer, which contains 7 variables.

Two variables are mapped onto the color aesthetic, using hue and lightness. To achieve this we combined fcyl and fam into a single interaction variable, fcyl_fam. This will allow us to take advantage of Color Brewer's Paired color palette.

Diese Übung ist Teil des Kurses

Intermediate Data Visualization with ggplot2

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Interaktive Übung

Vervollständige den Beispielcode, um diese Übung erfolgreich abzuschließen.

# See the interaction column
mtcars$fcyl_fam

# Color the points by fcyl_fam
ggplot(mtcars, aes(x = wt, y = mpg, ___ = ___)) +
  geom_point() +
  # Use a paired color palette
  ___(___ = ___)
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