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(88,89.7,106.7,106,104.4,123.7,97.1,95.5,112.2,101.4,106.9,109.5,96.4,93.9,104.2,109.2,108.9,117.9,98.2,101.4,111.6,113.6,110.8,113.9,105.5,95.9,115.8,119.9,107.3,126.9,107.8,105.5,120.2,116,110.4,120.8,110.7,99.9,126.8,128.6,112.9,136.6,113.3,116.3,137.5,126.7,118.5,136.4,120.2,117.2,133.3,134.8,129.9,149.5,118.5,122.8,145.7,133.6,130.8,146.8,126,124.4,145.5,146.3,145,162,132.2,140.2,164.8,143.7,144.2,156.4,135.9,134.2,156.5,154.8,155.2,159.5,151.5,150.1,170.6,150.4,156.5,168.4,149.7,142.2,163,172.6,164.3,171.8,166.6,171.5,179.4,182.3,169.9,187.6,176.8)
> x <- c(83.1,89.6,105.7,110.7,110.4,109,106,100.9,114.3,101.2,109.2,111.6,91.7,93.7,105.7,109.5,105.3,102.8,100.6,97.6,110.3,107.2,107.2,108.1,97.1,92.2,112.2,111.6,115.7,111.3,104.2,103.2,112.7,106.4,102.6,110.6,95.2,89,112.5,116.8,107.2,113.6,101.8,102.6,122.7,110.3,110.5,121.6,100.3,100.7,123.4,127.1,124.1,131.2,111.6,114.2,130.1,125.9,119,133.8,107.5,113.5,134.4,126.8,135.6,139.9,129.8,131,153.1,134.1,144.1,155.9,123.3,128.1,144.3,153,149.9,150.9,141,138.9,157.4,142.9,151.7,161,138.5,135.9,151.5,164,159.1,157,142.1,144.8,152.1,154.6,148.7,157.7,146.7)
> par5 = 'Omzet niet-industrie'
> par4 = 'Omzet industrie'
> 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/1wkaw1224528239.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/1wkaw1224528239.ps tmp/1wkaw1224528239.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.934   0.163   1.096