On 05/01/2010 12:10 AM, Giovanni Azua wrote:
Hello,
I need to plot multiple confidence intervals for the same model parameter e.g.
so for the same value of the parameter in point x_1 I would like to see four
different confidence intervals so that I can compare the accuracy e.g. boot
basic vs normal vs my own vs classic lm CI etc.
I like very very much the plotCI implemented here:
http://cran.r-project.org/web/packages/plotrix/index.html
This is their example:
library(plotrix)
y<- runif(10)
err<- runif(10)
plotCI(x=1:10,y=y,uiw=err,liw=2*err,lwd=2,col="red",scol="blue",main="Add colors to
the points and error bars")
but does not seem to support plotting multiple CIs but only one per point, is
there a similar library somewhere but having the possibility to plot multiple
CIs?
I know there is the function "segment" but I like this one above more :)
Hi Giovanni,
Have a look at the dispersion function. You could just call it four
times with x positions stepped out as in the brkdn.plot or similar
functions (see the example for brkdn.plot to see what I mean).
Jim
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