[R] different data series on one graph

A.J. Rossini rossini at blindglobe.net
Fri Apr 26 23:01:52 CEST 2002

>>>>> "wouter" == wouter buytaert <wouter.buytaert at yucom.be> writes:

    wouter> Hello,

    wouter> I'm looking for a way to plot different data series on one graph.
    wouter> I have a series of hourly rainfall and quarterly flow
    wouter> measurements (i.e. 4 times an hour) of a catchment. The rainfall
    wouter> should be plotted in bars, the flow as a line. Both on the same X
    wouter> axe (time) but with different Y axes.

    wouter> The problem is the plot() function does not support add=TRUE...

lines() and points() should work for you.

A.J. Rossini				Rsrch. Asst. Prof. of Biostatistics
U. of Washington Biostatistics		rossini at u.washington.edu	
FHCRC/SCHARP/HIV Vaccine Trials Net	rossini at scharp.org
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