combine_vars
From ggplot2 v3.0.0
by Hadley Wickham
Take input data and define a mapping between faceting variables and ROW, COL and PANEL keys
Take input data and define a mapping between faceting variables and ROW, COL and PANEL keys
- Keywords
- internal
Usage
combine_vars(data, env = emptyenv(), vars = NULL, drop = TRUE)Arguments
- data
A list of data.frames, the first being the plot data and the subsequent individual layer data
- env
The environment the vars should be evaluated in
- vars
A list of quoted symbols matching columns in data
- drop
should missing combinations/levels be dropped
Value
A data.frame with columns for PANEL, ROW, COL, and faceting vars
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