Probably so that the end of the arrow does not overplot the labels. Kevin
On Wed, Jan 27, 2010 at 10:28 AM, Martin Ivanov <tra...@abv.bg> wrote: > Dear forum, > I need to create biplot graphic. I took a look at the code of the > biplot.default function from the stats package and I found that the arrows > for the variables are multiplied by a coefficient of 0.8 before plotting: > ... > if (var.axes) > arrows(0, 0, y[, 1L] * 0.8, y[, 2L] * 0.8, col = col[2L], > length = arrow.len) > ... > I have no idea why this is done. Could somebody clarify? > > Thank you in advance. > > Regards, > Martin > > ______________________________________________ > R-help@r-project.org 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. > -- Kevin Wright [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org 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.
