plotAdditionalAxis: Add a second plot axis with transformed label values
Description
This function adds a second axis additional labels to a plot. It uses the
axis values of the opposite side and mathematically transforms these into the
values added. This can be used for example to indicate the period and frequency
of a periodic signal. Usage
plotAdditionalAxis(side = 1, trans.fun, label = c(), ...)
Arguments
side
integer: which axis to use as a basis for the second one.
trans.fun
function: the transfer function to use between the two axis values.
label
character: labels of the axis.
...
further arguments to pass to the axis call.