R Under development (unstable) (2023-10-23 r85389 ucrt) -- "Unsuffered Consequences" Copyright (C) 2023 The R Foundation for Statistical Computing Platform: x86_64-w64-mingw32/x64 R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. > > postscript("date.ps") > library(lattice) > > ## POSIXt handling > > y <- Sys.time() + 10000 * 1:100 > x <- rnorm(100) > b <- gl(3,1,100) > > xyplot(y ~ x | b) > xyplot(y ~ x | b, scales = list(relation = "free", rot = 0)) > xyplot(y ~ x | b, scales = "sliced") > > ## Date handling > > dat <- + data.frame(a = 1:10, + b = seq(as.Date("2003/1/1"), as.Date("2003/1/10"), by="day")) > xyplot(a~b, dat) > xyplot(a~b, dat, scales=list(x=list(at=dat$b))) > > > dev.off() null device 1 > > > proc.time() user system elapsed 0.46 0.01 0.48