R version 2.7.0 (2008-04-22)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> y <- c(10.846,10.413,10.709,10.662,10.570,10.297,10.635,10.872,10.296,10.383,10.431,10.574,10.653,10.805,10.872,10.625,10.407,10.463,10.556,10.646,10.702,11.353,11.346,11.451,11.964,12.574,13.031,13.812,14.544,14.931,14.886,16.005,17.064,15.168,16.050,15.839,15.137,14.954,15.648,15.305,15.579,16.348,15.928,16.171,15.937,15.713,15.594,15.683,16.438,17.032,17.696,17.745,19.394,20.148,20.108,18.584,18.441,18.391,19.178,18.079,18.483)
> x <- c(1.80,1.60,1.90,1.70,1.60,1.30,1.10,1.90,2.60,2.30,2.40,2.20,2.00,2.90,2.60,2.30,2.30,2.60,3.10,2.80,2.50,2.90,3.10,3.10,3.20,2.50,2.60,2.90,2.60,2.40,1.70,2.00,2.20,1.90,1.60,1.60,1.20,1.20,1.50,1.60,1.70,1.80,1.80,1.80,1.30,1.30,1.40,1.10,1.50,2.20,2.90,3.10,3.50,3.60,4.40,4.20,5.20,5.80,5.90,5.40,5.50)
> par5 = 'Goud'
> par4 = 'Inflatie'
> par3 = 'TRUE'
> par2 = 'grey'
> par1 = 'grey'
> ylab = ''
> main = 'Back to Back Histogram'
> #'GNU S' R Code compiled by R2WASP v. 1.0.44 ()
> #Author: Prof. Dr. P. Wessa
> #To cite this work: AUTHOR(S), (YEAR), YOUR SOFTWARE TITLE (vNUMBER) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description (don't use hard returns!)
> 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/1e9sy1224437581.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/1e9sy1224437581.ps tmp/1e9sy1224437581.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.727   0.259   1.793