From: Jim Brennan <jfbrennan_at_rogers.com>

Date: Thu 16 Jun 2005 - 01:39:28 EST

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide!

http://www.R-project.org/posting-guide.html

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Thu Jun 16 01:44:00 2005

Date: Thu 16 Jun 2005 - 01:39:28 EST

R>X<-rnorm(1000000) R>X0<-.899 R>plot(density(X)) R>abline(v=X0)

A better way

R>x<-seq(-5,5,.01) R>plot(x,dnorm(x)) R>plot(x,dnorm(x),type="l",col=2) R>abline(v=X0,col=4) R>?text R>text(X0,.2,paste("P(X<X0) =",signif(pnorm(X0),3)),pos=2) R>abline(v=X0,col=4)

If you actually want arrows do ?arrows Jim

-----Original Message-----

From: r-help-bounces@stat.math.ethz.ch

[mailto:r-help-bounces@stat.math.ethz.ch] On Behalf Of Hu Chen
Sent: June 15, 2005 10:41 AM

To: R

Subject: [R] how to plot density distribution with a arrow pointer?

Hi all,

for example:

> X<- rnorm(1000)

*> X0 <- 0.899
*

I want to draw a density distribution plot with a arrow pointer indicating the position of X0, meanwhile, giving out the p-value.

any functions?

Thanks very much.

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide!

http://www.R-project.org/posting-guide.html

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Thu Jun 16 01:44:00 2005

*
This archive was generated by hypermail 2.1.8
: Fri 03 Mar 2006 - 03:32:42 EST
*