Make a log-scale axis

Make a log-scale axis

Usage

logAxis(side = 1, base, disp = base, n = 5, style = "dec", ...)

Arguments

side

1=bottom, 2=left, 3=top, 4=right

base

What base is the log? Default is base e (natural log).

disp

By default, displays in same base as how constructed, but can display in other bases too

n

Number of tick marks

style

Either "dec" for decimals such as 0.125, or "pow" for powers such as 2^(-3)

...

Further arguments to axis()

Examples

x <- rexp(100)
y <- runif(100)
plot(log(x), y)

plot(log(x), y, xaxt='n', xlab='x')
logAxis()

plot(log(x), y, xaxt='n', xlab='x')
logAxis(style='pow', disp=2)