psych (version 1.0-97)

bi.bars: Draw pairs of bargraphs based on two groups

Description

When showing e.g., age or education distributions for two groups, it is convenient to plot them back to back. bi.bars will do so.

Usage

bi.bars(x,grp,horiz,color,...)

Arguments

x
The data to be drawn
grp
a grouping variable.
horiz
horizontal (default) or vertical bars
color
colors for the two groups -- defaults to blue and red
...
Further parameters to pass to the graphing program

Value

  • a graphic

Details

A trivial, if useful, function to draw back to back histograms/barplots. One for each group.

Examples

Run this code
data(bfi)
with(bfi,{bi.bars(age,gender,ylab="Age",main="Age by males and females")
       bi.bars(education,gender,xlab="Education",main="Education by gender",horiz=FALSE)})

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