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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