[R] xyplot of a specific ID number

Gabor Grothendieck ggrothendieck at gmail.com
Sun Mar 15 18:08:55 CET 2009


Using built in data frame CO2 try this where
Type is a 2 level factor.

library(lattice)
xyplot(uptake ~ conc | Type, CO2)
xyplot(uptake ~ conc | Type, CO2)[1]
xyplot(uptake ~ conc | Type, CO2)[2]

On Sun, Mar 15, 2009 at 12:35 PM, Sachi Ito <s.ito.tcu at gmail.com> wrote:
> Dear R list members,
> I have a question regarding xyplot.  I managed to make a xyplot of all the
> IDs by using the syntax below:
>
> xyplot(PA ~ CRPC + CRPT | ID, data = redinteract)
>
> Now, I'd like to make a graph of a specific ID number (e.g., only ID number
> 301).  I thought I could use "subset", but it seems to be not working.
>  Could anyone let me know how I can make a graph of a specific ID?
>
> Thank you for your help in advance!
>
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>
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