[R] following Appendix A results in "plot.new has not been called yet"

[Gabor Grothendieck]

You left out

y <- rnorm(x)



On 11/10/05, durbano at shbano.com <durbano at shbano.com> wrote:
>
> Hello. I was exploring the R software package and received the error
> message "plot.new has not been called yet" when following "Appendix A A
> Sample Session" of R-intro.pdf.  I searched the message archives and
> found no similiar report to mine.
>
> I am using R on CentOS and I am using the latest from R-project, version
> 2.2.0.
>
> Here is my .Rhistory file recorded when following the appendix after the
> first removal of variables (e.g. "rm(x,y)" ):
>
> x <- 1:20
> w <- 1 + sqrt(x)/2
> dummy <- data.frame(x=x, y=x + rnorm(x)*w)
> dummy
> fm <- lm(y ~ x, data=dummy)
> summary(fm)
> fm1 <- lm(y ~ x, data=dummy, weight=1/w^2)
> summary(fm1)
> attach(dummy)
> lrf <- lowess(x,y)
> plot(x,y)
> lines(x, lrf$y)
>
> Results in:
>
> Error in plot.xy(xy.coords(x, y), type = type, col = col, lty = lty,
> ...) :
>        plot.new has not been called yet
>
> If I continue along with the list of commands, I yield similiar errors.
>
> I am unsure if this is related to using CentOS, my installation, bad
> steps in the pdf file, or a bug in the software.  I am leaning towards
> the steps in the pdf.
>
> Regards,
>
> Daniel
>
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