R version 2.7.2 (2008-08-25)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> y <- c(878,346,321,116,182,189,243,270,122,138,35,456,3929,262,236,222,2010,566,122,43,477,1048,307,687,186,248,78,135,7,90,280,20,223,29,175,93,83,28,57,40,51,42,78,83,25,587,241,79)
> x <- c(209,169,325,293,93,297,2125,149,106,172,107,155,751,79,149,589,44,320,270,141,314,341,101,2053,81,46,73,44,33,115,70,58,68,62,160,65,101,80,80,74,70,102,65,87,81,155,111,37)
> par5 = 'Inbreng in natura'
> par4 = 'Inbreng in contanten'
> par3 = 'TRUE'
> par2 = 'grey'
> par1 = 'grey'
> ylab = ''
> main = 'Inbreng tijdens oprichting vennootschap.'
> #'GNU S' R Code compiled by R2WASP v. 1.0.44 ()
> #Author: Prof. Dr. P. Wessa
> #To cite this work: Wessa P., (2007), Back to Back Histogram (v1.0.2) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_backtobackhist.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description
> if (par3 == 'TRUE') par3 <- TRUE
> if (par3 == 'FALSE') par3 <- FALSE
> library(Hmisc)

Attaching package: 'Hmisc'


	The following object(s) are masked from package:base :

	 format.pval,
	 round.POSIXt,
	 trunc.POSIXt,
	 units 

> z <- data.frame(cbind(x,y))
> names(z) <- list(par4,par5)
> postscript(file="/var/www/html/rcomp/tmp/11ans1224425323.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> out <- histbackback(z, probability=par3, main = main, ylab = ylab)
> barplot(-out$left, col=par1, horiz=TRUE, space=0, add=TRUE, axes=FALSE)
> barplot(out$right, col=par2, horiz=TRUE, space=0, add=TRUE, axes=FALSE)
> dev.off()
null device 
          1 
> 
> system("convert tmp/11ans1224425323.ps tmp/11ans1224425323.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.911   0.165   0.990