R version 2.8.0 (2008-10-20)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> y <- c(111.69,100.5,106.29,101.09,104.53,122.74,109.84,101.99,125.12,103.5,102.8,118.72,119.01,118.61,120.43,111.83,116.79,131.71,120.57,117.83,130.8,107.46,112.09,129.47,119.72,134.81,135.8,129.27,126.94,153.45,121.86,133.47,135.34,117.1,120.65,132.49,137.6,138.69,125.53,133.09,129.08,145.94,129.07,139.69,142.09,137.29,127.03,137.25,156.87,150.89,139.14,158.3,149,158.36,168.06,153.38,173.86,162.47,145.17,168.89,166.64,140.07,128.84,123.41,120.3,129.67,118.1,113.91,131.09,119.15)
> x <- c(115.47,103.34,102.6,100.69,105.67,123.61,113.08,106.46,123.38,109.87,95.74,123.06,123.39,120.28,115.33,110.4,114.49,132.03,123.16,118.82,128.32,112.24,104.53,132.57,122.52,131.8,124.55,120.96,122.6,145.52,118.57,134.25,136.7,121.37,111.63,134.42,137.65,137.86,119.77,130.69,128.28,147.45,128.42,136.9,143.95,135.64,122.48,136.83,153.04,142.71,123.46,144.37,146.15,147.61,158.51,147.4,165.05,154.64,126.2,157.36,154.15,123.21,113.07,110.45,113.57,122.44,114.93,111.85,126.04,121.34)
> par5 = 'uitvoer'
> par4 = 'invoer'
> 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)

Attaching package: 'Hmisc'


	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/freestat/rcomp/tmp/1xais1258035310.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/1xais1258035310.ps tmp/1xais1258035310.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.988   0.230   1.058