R version 2.7.2 (2008-08-25)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> y <- c(92.7,122.8,115.4,128.3,120.2,118.9,114.7,114.6,121.7,129.7,115.2,100.7,89.8,128.7,105.9,111.7,130.3,108,109.6,139,123.6,131,120.7,81.1,88.4,128.9,120.8,95,132,117.9,102.4,117.4,113.5,108,127.6,86.9,76.1,128.8,104.1,121.2,140.2,116,115,112.3,128.9,131.2,128.7,85.8,78.2,128.4,105.5,120.3,135.4,107.1,96.9,95.1,113.1,104.5,106.3,66.6,87.8,117.3,102.1,98.9,130.2,102.4,89.9,95.9,95.4,116.2,115.7,74.1,75.2,107.7,103.7,107.1,113.5,94.7,90.9,97,111,109.6,110.1,77.7,78,113.3,111.4,95.4,141.2,120.4,124.9,106.4,116.5,102.1,94.1,74,87)
> x <- c(86.3,99.1,98.4,95.6,92.2,79.4,100.9,135.3,114.6,85.7,76.3,72.2,66.7,91.2,69.7,62.8,102,54.8,53.2,107.8,89.3,68.2,64.9,58.9,47.2,56.4,64.8,59.2,67.1,51.1,55.6,106,53.4,52.3,89,56.9,44.4,101.6,68.8,52.2,74.1,67.1,63.4,300.4,114.6,120.4,124,106.9,130.4,153.1,61.2,59.3,119.9,90.1,86.2,262,112.3,91.9,94.6,103.9,110,150.2,105.1,124.4,185.1,96.7,319.9,240.4,127.1,90.6,82.5,103.4,92.9,154.9,131.6,104.1,104.2,73.9,115.9,136.9,117.3,62.9,89.3,91,91.3,97.6,151.4,83.4,119.1,84.6,164,145.3,124.2,74.6,94.3,98.3,90.4)
> par5 = 'omzet transportmiddelenindustrie'
> par4 = 'investeringen wegtransporteurs'
> 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: 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/rcomp/tmp/1m3fd1224574506.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/1m3fd1224574506.ps tmp/1m3fd1224574506.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.920   0.175   0.992