R Under development (unstable) (2023-09-30 r85239 ucrt) -- "Unsuffered Consequences"
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> 
> postscript("temp.ps")
> library(lattice)
> 
> 
> ## dotplot labels problem
> 
> xx <- 1:10
> names(xx) <- rep(letters[1:5], 2)
> dotplot(xx)
> 
> 
> 
> 
> 
> 
> ## missing levels of factors
> ## drop unused levels
> 
> x <- 1:100
> y <- rnorm(100)
> g <- gl(4, 25, 100)
> 
> xyplot(y ~ x | g)
> xyplot(y ~ x | g, subset = g != "2")
> xyplot(y ~ x | g, subset = g != "2",
+        panel = function(x, y, subscripts) {
+            print(subscripts)
+            ltext(x, y, lab = subscripts)
+        })
 [1]  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
 [1] 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
 [1]  76  77  78  79  80  81  82  83  84  85  86  87  88  89  90  91  92  93  94
[20]  95  96  97  98  99 100
> 
> 
> 
> ## subset & subscript interaction
> 
> x <- rnorm(50)
> y <- rnorm(50)
> subset <- 20:40
> 
> xyplot(y ~ x,
+        panel = function(x, y, subscripts) {
+            print(subscripts)
+            ltext(x, y, lab = subscripts)
+        })
 [1]  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
[26] 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
> 
> ## gives subscripts = 20:40
> xyplot(y ~ x, subset = subset,
+        panel = function(x, y, subscripts) {
+            print(subscripts)
+            ltext(x, y, lab = subscripts)
+        })
 [1] 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
> 
> g <- gl(2,1,50)
> 
> xyplot(y ~ x, groups = g, panel = panel.superpose)
> xyplot(y ~ x, groups = g, panel = panel.superpose, subset = subset)
> 
> 
> 
> 
> 
> 
> 
> 
> ## reordering tests
> 
> data(iris)
> iris$foo <- equal.count(iris$Sepal.Length)
> 
> foo <- xyplot(Petal.Length ~ Petal.Width | Species + foo, iris)
> 
> foo
> 
> foo$subset.cond <- list(1:3, 1:6)
> foo$perm.cond <- 1:2
> foo
> 
> foo$perm.cond <- 2:1
> foo$subset.cond <- list(c(1,2,3,1), 2:4)
> foo
> 
> 
> 
> bar <- xyplot(Petal.Length ~ Petal.Width | Species + foo, iris, skip = c(F, T))
> bar
> 
> bar <- xyplot(Petal.Length ~ Petal.Width | Species + foo, iris, skip = c(F, T), scales = "free")
> bar
> 
> 
> 
> 
> 
> ## other stuff
> 
> x <- numeric(0)
> y <- numeric(0)
> 
> bwplot(y ~ x)  # fails? FIXME
> 
> 
> x <- c(rnorm(10), rep(NA, 10))
> y <- gl(1, 20)
> a <- gl(2, 10)
> 
> bwplot(x ~ y | a)
> 
> 
> ## warning: why ?
> bwplot(x ~ y | a * a)
> 
> 
> 
> 
> ## example from Wolfram Fischer
> 
> 
> my.barley <- subset( barley, ! ( site == "Grand Rapids" & year == "1932" ) )
> 
> dotplot(variety ~ yield | year * site, my.barley,
+         layout=c(6,2), between=list(x=c(0,6)))
> 
> 
> 
> dotplot(variety ~ yield | year * site, data = my.barley,
+         layout=c(6,2),
+         scales =
+         list(rot = 0,
+              y =
+              list(relation='sliced', 
+                   at = rep( list( FALSE, NULL ), 6 ))),
+         par.settings =
+         list(layout.widths = list(axis.panel = rep(c(1, 0), 3))))
> 
> 
> 
> 
> dev.off()
null device 
          1 
> 
> 
> 
> 
> proc.time()
   user  system elapsed 
   1.93    0.07    2.00