[R] How to display data values for points in a plot?

[Erik Iverson]

Nish wrote:
> Hello,
> 
> I would like to know how to display values for points in a plot funtion. For
> example,
> 
> plot( y=dat$a,
>       x=dat$b,
>  	main="plot1", 
>     	ylab="a",
>       xlab="b",
>  	ylim=c(-10, 10),
> 	xlim=c(-10, 10),
>  	type = "p",
>  	pch=17,
>  	col=<vector of colors depending on the value of "b">,
> 	cex=1.5
>  )
> 
> How can I add a label to each of points here, if I have a list of values
> associated with the point.
> 
Please provide self-contained, reproducible code.

Maybe ?text is what you want?