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  binoid
  
2007 Mar 08
2
curve of density on histogram
Hi R users,
I would like to know why these following curve densities don't appear
correctly on the histograms.
Thank you for your help
library(lattice)
library(grid)
resp  <- rnorm(2000)
group <- sample(c("G1", "G2", "G3", "G4"), replace = TRUE, size = 1000)
histogram(~ resp | group, col="steelblue",
  panel = function(x, ...){
    std