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Confidence intervals plot

On 14 Jun 2003 at 20:44, Ramon Mart?nez Coscoll? wrote:
Hola!

First set up a plot with

plot( c(x.lower, x.upper) , c(y.lower, y.upper), type="n" )

and then add each line using segments

Kjetil Halvorsen
corresponding to a x value. Their extrem points would be the confidence interval limits.