Ggplot - Group aesthetic

Ggplot Graphic Plot

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By default, the group is set to the interaction of all discrete variables in the plot.

This often partitions the data correctly, but when it does not, or when no discrete variable is used in the plot, you will need to explicitly define the grouping structure,

Documentation / Reference





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Ggplot Graphic Plot
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A bar geom makes the height of the bar proportional to: the number of cases in each group (default) or the sum of a column (using the weight aesthetic) The geom_bar layer is used to produce 1d area...



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