x <- seq(50)

y <- 10 + x * 2 + rnorm(50,0,10)

plot(y~x)

mylm = lm(y~x)

# Use str(mylm) to see how to get the residuals

plot(x,mylm$residuals)


On Sat, Sep 19, 2009 at 8:35 PM, Jason Priem <priem@email.unc.edu> wrote:

> Hi,
> I want to plot the residuals of a least-squares regression.
>
> plot(lm(y~x), which=1)
>
> does this, but it plots the y-axis of my data on the x-axis of the
> residuals plot.  That is, it plots the residual for each y-value in the
> data.  Can I instead use the x-axis of my data as the x-axis of the
> residuals plot, showing the residual for a given x?
>
> Thanks!
>
> Jason Priem
> University of North Carolina at Chapel Hill
> School of Information and Library Science
>
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
> and provide commented, minimal, self-contained, reproducible code.
>

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