Re: [R] multiple lowess line in one plot

From: <MMcIntosh_at_kvpharmaceutical.com>
Date: Thu 05 Jan 2006 - 06:09:46 EST


## Copy and paste this into R.
x1<-rbinom(dim(cars)[1],2,.5)
plot(cars,main="lowess(modified cars)",col=x1+1) for(i in unique(x1)) lines(lowess(cars[x1==i,]),col=i+1)

This might help...

Matthew McIntosh

-----Original Message-----
From: r-help-bounces@stat.math.ethz.ch
[mailto:r-help-bounces@stat.math.ethz.ch] On Behalf Of Dean Sonneborn Sent: Wednesday, January 04, 2006 10:54 AM To: r-help@stat.math.ethz.ch
Subject: [R] multiple lowess line in one plot

I'm using this code to plot a smoothed line. These two columns of data really represent 4 groups and I'd like to plot a separate line for each group but have them all in the same plot. The R-Docs for lowess do not seem to indicate some type of "GROUPS=var_name" option. What would be the syntax for this?

plot(AWGT ~ lipid )
lines(lowess(lipid , AWGT, f=.8))

-- 
Dean Sonneborn, MS
Programmer Analyst
Department of Public Health Sciences
University of California, Davis
(530) 754-9516


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Received on Thu Jan 05 07:32:41 2006

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