R version 2.6.0 (2007-10-03)
Copyright (C) 2007 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> y <- c(87.3,97.6,107.1,96.1,109.5,105.0,83.9,89.2,107.0,113.6,108.1,91.9,104.9,99.2,104.3,104.0,101.5,105.4,88.7,83.6,98.0,108.9,92.8,82.0,101.3,106.3,94.0,102.8,102.0,105.1,92.4,81.4,105.8,120.3,100.7,88.8,94.3,99.9,103.4,103.3,98.8,104.2,91.2,74.7,108.5,114.5,96.9,89.6,97.1,100.3,122.6,115.4,109.0,129.1,102.8,96.2,127.7,128.9,126.5,119.8,113.2,114.1,134.1,130.0,121.8,132.1,105.3,103.0,117.1,126.3,138.1,119.5,138.0,135.5,178.6,162.2,176.9,204.9,132.2,142.5,164.3,174.9,175.4,143.0,158.7,155.4,176.6,163.3,178.9,182.7,158.7)
> x <- c(13.5,16.2,17.6,15.8,17.6,15.2,15.9,12.0,13.3,14.8,16.1,16.9,17.6,13.9,10.0,7.6,7.1,8.1,8.1,7.7,4.0,1.4,0.3,-1.0,-1.9,-1.5,-0.2,3.4,3.0,4.1,3.4,3.2,6.1,5.8,6.2,5.8,5.9,6.7,5.9,3.8,1.7,1.4,1.8,3.0,3.6,4.8,4.3,4.2,2.9,4.9,7.2,8.7,9.1,8.9,9.0,11.6,9.6,9.1,9.2,10.8,11.0,8.5,6.5,7.2,7.8,8.7,7.8,7.5,7.7,7.5,8.3,7.9,10.4,11.5,14.0,11.9,11.9,10.3,11.3,9.9,8.9,9.2,8.8,6.7,7.1,6.6,7.2,5.0,5.3,6.3)
> par5 = 'Totale Industri'
> par4 = 'Econ Activiteit'
> 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: Wessa P., (2007), Back to Back Histogram (v1.0.2) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_backtobackhist.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description
> 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))
Warning message:
In cbind(x, y) :
  number of rows of result is not a multiple of vector length (arg 1)
> names(z) <- list(par4,par5)
> postscript(file="/var/www/html/rcomp/tmp/1wgpi1199630940.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/1wgpi1199630940.ps tmp/1wgpi1199630940.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.025   0.173   1.268