histogram for integer data
You might consider something based on the concept of: y <- table( x) plot( as.numeric(names(y)) , y, type='h') -Don
At 2:59 PM -0400 3/27/08, <Erwann.Rogard at sanofi-aventis.com> wrote:
hi, library(lattice) x<-c(-1,-1,-1,0,0,0,0,1,1,2) rng<-range(x) histogram(x,endpoints=c(rng[1]-0.5,rng[2]+0.5),nint=length(unique(x))) instead of contiguous bins, i'd like spaces between them to indicate that the data is discrete, or even better, line segments positioned at integer values. i know how to do this with plot, but i need it with histogram, so that in more complicated contexts i can use histogram(~x| f1 * f2....) thanks! [[alternative HTML version deleted]]
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-------------------------------------- Don MacQueen Environmental Protection Department Lawrence Livermore National Laboratory Livermore, CA, USA 925-423-1062