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(99.5,98.2,108.9,100.0,105.0,108.4,96.7,100.5,115.6,114.9,110.7,107.7,113.5,106.9,119.6,109.4,106.9,118.7,108.9,113.1,125.1,126.5,122.7,127.5,107.1,112.0,122.1,111.5,113.2,128.2,115.1,117.4,132.0,130.8,128.0,132.7,117.0,110.9,123.5,117.4,122.7,123.5,111.5,113.8,131.2,127.0,126.2,121.2,118.8,117.9,135.2,120.7,126.4,129.6,113.4,120.5,135.5,137.6,130.6,133.1,121.5,120.5,136.9,123.7,128.5,135.0,120.9,121.1,132.2,134.5,133.6,136.1,124.5,124.6,133.5,132.3,125.3,135.5,121.2,117.5,135.9)
> x <- c(85.0,95.9,108.9,96.2,100.1,105.7,64.5,66.8,110.3,96.1,102.5,97.6,83.6,86.5,96.0,91.1,87.2,84.5,59.2,61.5,98.8,97.9,92.7,84.2,74.5,79.7,86.8,79.8,87.0,91.4,58.7,62.8,87.9,90.4,80.6,73.5,71.4,70.6,78.3,76.0,77.4,80.9,63.4,58.1,88.2,81.2,84.9,76.4,71.5,76.1,82.9,78.0,82.0,84.7,55.7,59.5,83.2,87.6,76.2,76.4,68.3,70.0,76.3,70.9,72.4,80.1,57.4,62.7,82.6,88.9,80.4,72.0,69.4,69.2,77.3,79.4,78.6,76.1,61.8,59.4,78.1)
> par5 = 'N-duurz. Cons.goederen'
> par4 = 'Duurz. cons.goederen'
> 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/1widk1229426043.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/1widk1229426043.ps tmp/1widk1229426043.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.900   0.195   1.023