Minor Tick Marks
DESCRIPTION:
Adds minor tick marks to an existing plot. All minor tick marks that
will fit on the axes will be drawn.
USAGE:
minor.tick(nx=2, ny=2, tick.ratio=0.5)
ARGUMENTS:
- nx
-
number of intervals in which to divide the area between major tick marks on
the X-axis. Set to 1 to suppress minor tick marks.
- ny
-
same as
nx
but for the Y-axis
- tick.ratio
-
ratio of lengths of minor tick marks to major tick marks. The length
of major tick marks is retrieved from
par("tck")
.
AUTHOR(S):
Frank Harrell
Department of Biostatistics
Vanderbilt University
f.harrell@vanderbilt.edu
SEE ALSO:
EXAMPLES:
plot(runif(20),runif(20))
minor.tick()