[R] xyplot of a specific ID number

[David Winsemius]

Would have help if you had offered complete output for your efforts at  
using subset. This should work (on the assumption that ID is of type  
numeric):

> xyplot(PA ~ CRPC + CRPT , data = subset(redinteract, ID == 301) )


On Mar 15, 2009, at 12:35 PM, Sachi Ito 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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David Winsemius, MD
Heritage Laboratories
West Hartford, CT