Message-ID: <1294934988502-3216099.post@n4.nabble.com>
Date: 2011-01-13T16:09:48Z
From: ep
Subject: add a linear regression line to the plot
In-Reply-To: <1666b43.87c5.12d7e83cb3b.Coremail.wangxipei@gmail.com>
Hi,
if it should be "lines" so you can do that
xy.lm <- lm(y~x)
lines(x, xy.lm$coeff[1] + x*xy.lm$coeff[2], col="blue", lwd=3)
Regards
ep
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