[R] help on panel.superpose
daniel at umd.edu
Sat Jul 23 03:30:08 CEST 2011
For the first part, use the col and pch arguments:
For the second part, I do not know what exactly mean by superimpose the mean
level? Should the mean for each group be displayed as a horizontal line?
Bharath Kumar wrote:
> Dear users,
> I am new to R and have couple of problems with xyplot.
> A) I am trying to use the xyplot to plot mean concentration vs time across
> 5 dose groups.
> When i use the following script
> xyplot(mean~time,groups=dose,type="b",panel=panel.superpose). R generates
> the plot, but i have no control over pch or color for the line. It
> displays whatever color and pch it wants to generate. How do i fix this.
> B) I am trying to use the same function to plot individual data across
> dose groups
> xyplot(conc~time|dose,groups=subject,type="l") works. But it would be
> great if anyone can shed light on how to superimpose the mean profile for
> each dose group within that panel
> Any help will be appreciated
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