On 26/04/07, John Fox <jfox@mcmaster.ca> wrote:
>
> Dear Yuandan,
>
> My attention was drawn by your claim of an "error in AMMI article."
>
> As you say, the code for the AMMI function is given directly in the
> article.
> If the argument biplot is equal to 1, then a biplot is drawn by the
> function, as is apparent from the section of code labelled "## 5 -
> Biplots."
>
> Why is this an error?



when loading this AMMI function, at the line "if (biplot == 1) { ", R seems
treating the 'biplot' as a subject, the biplot function from stats package,
inseatd of treating it as argument for the AMMI function.

here is the error messenge when I load it

> source ("AMMI.R")
Error in parse(file, n = -1, NULL, "?") : syntax error at
51: ( bplot == 1 ) {
52:     plot(1, type =


Regards,
> John
>
> --------------------------------
> John Fox, Professor
> Department of Sociology
> McMaster University
> Hamilton, Ontario
> Canada L8S 4M4
> 905-525-9140x23604
> http://socserv.mcmaster.ca/jfox
> --------------------------------
>
> > -----Original Message-----
> > From: r-help-bounces@stat.math.ethz.ch
> > [mailto:r-help-bounces@stat.math.ethz.ch] On Behalf Of Lux Zhang
> > Sent: Thursday, April 26, 2007 1:38 AM
> > To: R-help; r-anounce@stat.math.ethz.ch
> > Subject: Re: [R] R News, volume 7,issue 1 is now available
> > --error in AMMI article
> >
> > Hi,
> >
> > In this newsletter (Vol 7, 1),the article on AMMI by Onofri
> > and Ciriofolo presented a AMMI function.  One of arguments
> > for this function AMMI (Page
> > 17) is biplot. There is a biplot fucntion from  {stats}
> > package.  I guess they are not the same. Could the authors
> > clarify that?
> >
> > Thanks,
> >
> > Yuandan
> >
> >       [[alternative HTML version deleted]]
> >
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> > PLEASE do read the posting guide
> > http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> >
>
>
>

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