labeling panels in lattice plots

Try converting year to a factor

xyplot(min + max + ave ~ month | factor(year), data = rain.stats, ...)

Also, notice the inclusion of the "data" argument.

HTH,

--sundar
I am using windows XP with R 2.8.1

I am generating a lattice plot of annual rain patterns using the following
function:

?xyplot(rain.stats$min+ rain.stats$max + rain.stats$ave ~
rain.stats$month |rain.stats$year,
? ? ? ? ? ?lty = 1, ?data = rain.stats, ?type = c("l","l", "l"), col =
c("red", "blue", "green"), distribute.type = TRUE,
? ? ? ? ? ?main = "Annual Monthly Minimum, Average and Maximum PPT")

Each panel is labels with "rain.stats$year" ?instead of the actual value
referenced by this variable.

the data.frame I'm using has the following form (year values range from
1965 to 2000 and month from 1 to 12).

dim(rain.stats)
432 6

rain.stats[1:10,]
? year month X2 ? ?min ? ?max ? ? ? ave
1 ?1965 ? ? 1 ?1 0.0000 1.9196 0.3650112
2 ?1966 ? ? 1 ?1 2.1483 4.9615 3.5247034
3 ?1967 ? ? 1 ?1 0.4038 3.9145 1.7133045
4 ?1968 ? ? 1 ?1 0.2033 3.2119 1.1844769
5 ?1969 ? ? 1 ?1 1.2533 5.6226 2.9505545
6 ?1970 ? ? 1 ?1 0.9142 3.8861 2.6248453
7 ?1971 ? ? 1 ?1 0.1191 1.6109 0.6570289
8 ?1972 ? ? 1 ?1 0.2309 2.9380 0.9259674
9 ?1973 ? ? 1 ?1 0.9471 3.6342 1.9019848
10 1974 ? ? 1 ?1 0.1739 9.0225 1.0672980

The plot illustrates exactly what I'm after with the exception of the panel
labels. ?I'm following an example in the Lattice Book by Deepayan Sarkar
(which I find very informative ?- thanks), but I'm not getting the results
as per the example.

Can anyone offer a solution?

Thanks in advance.

Steve

Steve Friedman Ph. D.
Spatial Statistical Analyst
Everglades and Dry Tortugas National Park
950 N Krome Ave (3rd Floor)
Homestead, Florida 33034

Steve_Friedman at nps.gov
Office (305) 224 - 4282
Fax ? ? (305) 224 - 4147

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labeling panels in lattice plots

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