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

[Nish]

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.

Thanks in advance.




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