On Mar 20, 2011, at 4:06 PM, askh wrote:
Hi all,
I am having a problem using xyplot from lattice library. I am
plotting one
variable against another one, conditioning on two other variablesm
one of
which has 3 levels and the other 6 levels. The output is thus a 6x3
panel
plot. Here's my code:
print((xyplot(CloDurPercent[CloDurNA != 'NA' &
Mscor<3.5]~ConsDur[CloDurNA
!= 'NA' & Mscor<3.5]|Pos*ConsId, data = Stops, pch = '.'))
One of the panels is not plotting the data in it -- it remains
blank. I
first thought that I had some problem with this particular data
subset but
no, when I reordered levels and plotted the data again, a different
subset
is not showing up in the same panel as before. This is the outcome
whether I
print on the Quartz device or save the plot to a .ps file. What's
going on?
Is there some hardware/software interaction problem? I am using R 1.14
Really? If that is true then you are way, way behind the times. You
may be offered a prize for the most ancient version in use. (Even if
you were using the Mac-GUI version it would still be 5 years out of
date.
on
MacOS X 10.3.9.
Well, maybe you are.
Hardware issues are still very unlikely.
The construction CloDurNA != 'NA' will not do what you think it does.
Try:
!is.na(CloDurNA) #instead
You could take a variable that should exist for every category and do
something lik:
require(Hmisc) # or some other package with a describe function
with(CloDurPercent, tapply(CloDurPercent[!is,na(CloDurNA) &
Mscor<3.5], c(ConsId, Pos, CloDurPercent[!is,na(CloDurNA) &
Mscor<3.5]), describe)
Should give you a count of NA's and if all are missing in a particular
category you will get all TRUE in one cell.
It might be prudent to upgrade if that was not a typo and provide more
information about your dataset
--
David:
Thanks,
alina
--
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