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(100,91.74,84.40,84.40,87.16,88.07,87.16,83.49,81.65,82.57,92.66,94.50,93.58,88.07,84.40,85.32,86.24,86.24,84.40,82.57,82.57,82.57,89.91,91.74,89.91,85.32,82.57,82.57,83.49,83.49,83.49,84.40,80.73,76.15,77.06,74.31,70.64,72.48,72.48,73.39,72.48,69.72,65.14,62.39,59.63,63.30,75.23,79.82,76.15,72.48,68.81,71.56,76.15,77.06,75.23,70.64,66.06,66.97,74.31,77.98)
> x <- c(100,95.06,92.59,93.83,96.30,96.30,96.30,92.59,92.59,87.65,92.59,92.59,93.83,95.06,95.06,97.53,100.00,101.23,101.23,101.23,97.53,90.12,85.19,81.48,82.72,85.19,86.42,87.65,88.89,87.65,85.19,86.42,83.95,79.01,82.72,81.48,79.01,77.78,76.54,80.25,83.95,83.95,79.01,75.31,71.60,75.31,88.89,90.12,85.19,75.31,71.60,76.54,87.65,95.06,97.53,95.06,91.36,92.59,98.77,100.00)
> par5 = 'Vrouwen'
> par4 = 'Mannen'
> 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/1cuz91257944896.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/1cuz91257944896.ps tmp/1cuz91257944896.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.637   0.192  12.317