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jht
2006 Mar 21
5
How to use: library lattice: barchart
...he same way. But when I try it like
this:
ayield = c(2,3,5,6,3,4,7,8,9,2,3,5,6,1,2,3,4,2,6,8)
avariety = c(rep("A",5),rep("B",5),rep("C",5),rep("D",5))
ayear = (c(rep(1931,10),rep(1932,10)))
asite = c(rep(c("iu","gt","jt","jhzt","tr"),4))
abarley = data.frame(cbind(ayield,avariety,ayear,asite))
barchart(ayield ~ avariety | asite, data = abarley,groups = ayear, layout =
c(1,5) )
it looks totaly different and I get the error message:
"x should be numeric in: bwplot.formula(x = ayield ~ avariety | asite...