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(11.3,13.6,16.7,14.2,21.3,13.8,9,1.9,4.6,15.1,22.7,25.5,19.9,14.9,12,6.8,16.5,23.4,32.7,31.3,32.4,21.2,20.7,11.8,14.2,16.1,16.6,16.5,13.7,11.9,11,10.1,11.3,17.9,23,28.6,29.9,32,33.9,39.1,29.8,30,22.8,29.8,26.6,29.2,21.2,18.9,17.3,14.2,9.1,5.5,0.9,1,3.3,3.8,3.9,1.1,4.5,9.6,14.8)
> x <- c(59,59,67,71,72,73,73,75,70,67,59,43,23,23,19,11,13,8,0,2,7,5,9,6,10,11,16,14,14,9,17,16,21,41,14,13,19,18,27,26,30,27,33,26,26,35,39,37,39,40,44,45,46,34,34,39,40,41,40,41,32)
> par5 = 'vrkpw'
> par4 = 'cstvert'
> 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/1y5ja1257957258.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/1y5ja1257957258.ps tmp/1y5ja1257957258.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.592   0.180   0.670