ablineclip {plotrix} | R Documentation |
As abline, but has arguments x1,x2,y1,y2 as in clip.
ablineclip(a=NULL,b=NULL,h=NULL,v=NULL,reg=NULL,coef=NULL,untf=FALSE, x1=NULL,x2=NULL,y1=NULL,y2=NULL,...)
a |
Intercept. |
b |
Slope. |
h |
the x-value(s) for vertical line(s). |
v |
the y-value(s) for horizontal line(s). |
reg |
Fitted lm object. |
coef |
Coefficients, typically intercept and slope. |
untf |
How to plot on log coordinates, see abline. |
x1,x2,y1,y2 |
Clipping limits, see clip. |
... |
Further arguments passed to abline. |
ablineclip sets a new clipping region and then calls abline. If any of the four clipping limits is NULL, the values from par("usr") are substituted. After the call to abline, the old clipping region is restored. In order to make clip work, there is a call to abline that draws a line off the plot.
None. Adds to the current plot.
Remko Duursma
x <- rnorm(100) y <- x + rnorm(100) lmfit <- lm(y~x) plot(x,y,xlim=c(-3.5,3.5)) ablineclip(lmfit,x1=-2,x2=2,lty=2) ablineclip(h=0,x1=-2,x2=2,lty=3,col="red") ablineclip(v=0,y1=-2.5,y2=1.5,lty=4,col="green")