Sundar, Your suggestion to convert year to a factor worked like a charm.
Thank you very much. Steve Steve Friedman Ph. D. Spatial Statistical Analyst Everglades and Dry Tortugas National Park 950 N Krome Ave (3rd Floor) Homestead, Florida 33034 steve_fried...@nps.gov Office (305) 224 - 4282 Fax (305) 224 - 4147 Sundar Dorai-Raj <sdorai...@gmail. com> To steve_fried...@nps.gov 03/31/2009 06:50 cc AM MST r-help@r-project.org Subject Re: [R] 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 On Tue, Mar 31, 2009 at 6:28 AM, <steve_fried...@nps.gov> wrote: > > 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_fried...@nps.gov > Office (305) 224 - 4282 > Fax (305) 224 - 4147 > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.