[R] multiple lowess line in one plot
MMcIntosh@kvpharmaceutical.com
MMcIntosh at kvpharmaceutical.com
Wed Jan 4 20:09:46 CET 2006
## 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 at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Dean Sonneborn
Sent: Wednesday, January 04, 2006 10:54 AM
To: r-help at 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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