Build Better Looking Axis Labels for US Dollars

Convert and simplify axis labels that are in US Dollars.

Usage

AxisInDollars(side, at, include.symbol = TRUE, simplify = TRUE, ...)

Arguments

side

An integer specifying which side of the plot the axis is to be drawn on. The axis is place as follows: 1 = below, 2 = left, 3 = above and 4 = right.

at

The points at which tick-marks are to be drawn.

include.symbol

Whether to include a dollar or percent symbol, where the symbol chosen depends on the function.

simplify

For dollars, simplify the amount to use abbreviations of "k", "m", "b", or "t" when numbers tend to be in the thousands, millions, billions, or trillions, respectively.

...

Arguments passed to axis

Value

The numeric locations on the axis scale at which tick marks were drawn when the plot was first drawn.

See also

buildAxis AxisInDollars AxisInPercent

Author

David Diez

Examples

x <- sample(50e6, 100)
hist(x, axes = FALSE)
AxisInDollars(1, pretty(x))