I have xyplots (small number of observed points). The model estimates  
a "mean" value for both x and y, not usually identical with an  
observed data pair. The model also estimates simultaneous horizontal  
and vertical CIs on the mean values of x and y.

I wish to add the mean point with both CIs to the xyplot.

Can anyone give any tips for using xYplot (Hmisc) to do so? Can  
plotCI (plotrix) be used for that purpose?

Running R 2.2.1 on Mac OS 10.4.5 via R Cocoa GUI 1.13 .

Thanks,

Nathan






Nathan Leon Pace, MD, MStat
University of Utah
Salt Lake City, UT 84132
Office: 801.581.6393
Fax: 801.581.4367
Cell: 801.205.1019
Pager: 801.291.9019
Home: 801.467.2925


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