Dear Yuandan, The function definition given in the article doesn't produce an error for me.
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: Lux Zhang [mailto:[EMAIL PROTECTED] > Sent: Thursday, April 26, 2007 7:56 AM > To: John Fox > Cc: R-help > Subject: Re: [R] R News, volume 7,issue 1 is now available > --error in AMMI article > > > > On 26/04/07, Lux Zhang <[EMAIL PROTECTED]> wrote: > > > > On 26/04/07, John Fox <[EMAIL PROTECTED] > 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 = > > > Sorry, I had another look, it seems something to do with plot > (1, type = 'n' ... [ i copy this code from the pdf file] > > after change it to > > plot (1, type = "n" ... as below > > if ( biplot == 1 ) { > plot(1, type = "n", xlim = range(c(envir.mean, > var.mean)), ylim = range(c(E[,1], G[,1])), xlab = "Yield", > > lt was loaded. > > > > > > > > > Regards, > John > > -------------------------------- > John Fox, Professor > Department of Sociology > McMaster University > Hamilton, Ontario > Canada L8S 4M4 > 905-525-9140x23604 > http://socserv.mcmaster.ca/jfox > <http://socserv.mcmaster.ca/jfox> > -------------------------------- > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto: [EMAIL PROTECTED] ] > On Behalf Of Lux Zhang > > Sent: Thursday, April 26, 2007 1:38 AM > > To: R-help; [EMAIL PROTECTED] > > 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]] > > > > ______________________________________________ > > [email protected] mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, > self-contained, reproducible code. > > > > > > > > > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
