barchart

From lattice v0.3-1 by Deepayan Sarkar

Draw Bar plots

barchart(formula,
         data = parent.frame(), 
         panel = panel.barchart,
         box.ratio =2,
         ...)

formula: a formula describing the form of conditioning plot. A formula of the form y ~ x | g1 * g2 * ... indicates that plots of y versus x should be produced conditional on the variable g1,g2,....
panel: panel function to be used to draw panels
data: data frame for the variables in the formula etc
box.ratio: ratio of bar width to inter bar width
...: other arguments

see the documentation for trellis.args.

The x-axis limits might not be meaningful. The bars are drawn from the extreme left of the panel, whatever be the x-limits.

barchart(formula, data = parent.frame(), panel = "panel.barchart", prepanel = NULL, strip = TRUE, box.ratio = 2, groups = NULL, ..., subset = TRUE)

data(barley)
barchart(variety ~ yield | year * site, data = barley, aspect = 0.4,
        xlab = "Barley Yield (bushels/acre)")

Documentation reproduced from package lattice, version 0.3-1, License: GPL version 2 or later

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