[R] plot portion of a line

[Greg Snow]

Try the clipplot function from the TeachingDemos package:

> x <- rnorm(50)
> y <- rnorm(50)
> plot(x,y)
> clipplot( abline(lm(y~x), col='red'), xlim=c(1,3))
> clipplot( abline(lm(y~x), col='blue'), xlim=c(-2,1))


Hope this helps,

-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at intermountainmail.org
(801) 408-8111
 
 

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of BBands
> Sent: Tuesday, January 16, 2007 9:16 AM
> To: R-Help
> Subject: [R] plot portion of a line
> 
> Dear HelpeRs,
> 
> Given:
> x <- rnorm(50)
> y <- rnorm(50)
> plot(x,y)
> abline(lm(x ~ y))
> 
> Is there a way to plot just a portion of the line? Say for values of x
> > 2.0 or x > -2.0 and x < 4.0. (Still fitting all the points.)
> 
> Thank you,
> 
>     jab
> --
> John Bollinger, CFA, CMT
> www.BollingerBands.com
> 
> If you advance far enough, you arrive at the beginning.
> 
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