Thanks, that's great!
Am 22.01.2009 um 01:18 schrieb Remko Duursma:
I use this function (a lot):
ablinepiece <- function(a=NULL,b=NULL,reg=NULL,from,to,...){
# Borrowed from abline
if (!is.null(reg)) a <- reg
if (!is.null(a) && is.list(a)) {
temp <- as.vector(coefficients(a))
if (length(temp) == 1) {
a <- 0
b <- temp
}
else {
a <- temp[1]
b <- temp[2]
}
}
segments(x0=from,x1=to,
y0=a+from*b,y1=a+to*b,...)
}
-------------------------------------------------
Remko Duursma
Post-Doctoral Fellow
Centre for Plant and Food Science
University of Western Sydney
Hawkesbury Campus
Richmond NSW 2753
Dept of Biological Science
Macquarie University
North Ryde NSW 2109
Australia
Mobile: +61 (0)422 096908
On Thu, Jan 22, 2009 at 11:01 AM, Jörg Groß <jo...@licht-malerei.de>
wrote:
Hi,
is there a way to define, that a line drawn via abline() should
only go from
for example -2 to 1 on the x-axis (with something working similiar to
xlim()) ?
thanks for any help!
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