Abbreviate a vector of times by removing commonalities (e.g. year)

abbreviateTimeLabels(t, ...)

Arguments

t

vector of times.

...

optional arguments passed to the format(), e.g. format.

Value

None.

See also

This is used by various functions that draw time labels on axes, e.g. plot,adp-method().

Author

Dan Kelley, with help from Clark Richards