R version 2.5.1 (2007-06-27)
Copyright (C) 2007 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> y <- c(99.90,99.80,99.80,100.30,99.90,99.90,100.00,100.10,100.10,100.20,100.30,100.60,100.00,100.10,100.20,100.00,100.10,100.10,100.10,100.50,100.50,100.50,96.30,96.30,96.80,96.80,96.90,96.80,96.80,96.80,96.80,97.00,97.00,97.00,96.80,96.90,97.20,97.30,97.30,97.20,97.30,97.30,97.30,97.30,97.30,97.30,98.10,96.80,96.80,96.80,96.80,96.80,96.80,96.80,96.80,96.80,96.80,96.80,96.90,97.10,97.10)
> x <- c(110.40,96.40,101.90,106.20,81.00,94.70,101.00,109.40,102.30,90.70,96.20,96.10,106.00,103.10,102.00,104.70,86.00,92.10,106.90,112.60,101.70,92.00,97.40,97.00,105.40,102.70,98.10,104.50,87.40,89.90,109.80,111.70,98.60,96.90,95.10,97.00,112.70,102.90,97.40,111.40,87.40,96.80,114.10,110.30,103.90,101.60,94.60,95.90,104.70,102.80,98.10,113.90,80.90,95.70,113.20,105.90,108.80,102.30,99.00,100.70,115.50)
> par5 = 'Male'
> par4 = 'Female'
> 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: 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,
	 units<- 

> z <- data.frame(cbind(x,y))
> names(z) <- list(par4,par5)
> postscript(file="/var/www/html/rcomp/tmp/1nexg1192698217.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/1nexg1192698217.ps tmp/1nexg1192698217.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.929   0.167   0.979