R version 2.9.0 (2009-04-17)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> y <- c(100,109,173,91,124,130,82,82,196,116,146,102,153,119,153,137,147,152,84,76,161,129,104,144,171,140,120,130,247,154,38,57,172,163,130,163,110,133,156,157,127,167,89,53,187,202,137,151,128,140,203,160,161,210,154,70,269,176,156,210)
> x <- c(100,108,125,109,92,126,63,51,129,115,96,101,106,93,120,96,99,129,62,56,119,92,90,105,102,99,107,90,90,108,62,53,97,96,103,88,100,95,109,92,96,100,62,64,110,119,93,84,101,92,91,110,85,120,74,59,121,124,100,121)
> par5 = 'Faill_brussel'
> par4 = 'Faill_vlaamsgewest'
> par3 = 'TRUE'
> par2 = 'blue'
> par1 = 'red'
> 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)
Loading required package: survival
Loading required package: splines

Attaching package: 'Hmisc'


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

	 untangle.specials 


	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/1n5ry1258101464.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/1n5ry1258101464.ps tmp/1n5ry1258101464.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.568   0.174   0.669