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(2.00,2.00,2.00,2.00,2.00,2.00,2.00,2.00,2.00,2.00,2.00,2.00,2.00,2.21,2.25,2.25,2.45,2.50,2.50,2.64,2.75,2.93,3.00,3.17,3.25,3.39,3.50,3.50,3.65,3.75,3.75,3.90,4.00,4.00,4.00,4.00,4.00,4.00,4.00,4.00,4.00,4.00,4.00,4.00,4.18,4.25,4.25,3.97,3.42,2.75,2.31,2.00,1.66,1.31,1.09,1.00,1.00,1.00,1.00,1.00)
> x <- c(4.6,4.3,4.3,4.6,5.1,4.8,4.5,4.9,5.1,5.1,5.2,4.5,4.6,4.9,4.6,4.4,3.7,4,4.2,3.9,3.6,3.6,3.2,3.2,3.5,3.6,3.7,3.8,3.8,3.8,3.3,3.3,3.4,3.1,3.5,4.2,4.9,5.1,5.5,5.6,6.4,6.2,7.2,7.8,7.9,7.4,7.5,6.7,5.1,4.6,4.3,3.9,2.6,2.6,1.6,0.9,0.3,1.2,0.8,1)
> par5 = 'rente'
> par4 = 'index'
> 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/1c65d1258369830.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/1c65d1258369830.ps tmp/1c65d1258369830.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.582   0.170   0.655