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(149,157.4,145.3,154.2,147.6,147,139.1,140.6,138.6,153.3,147.3,134.5,130.1,144.7,138.3,127.1,142.6,125.9,125.3,138.3,132.4,139,138.7,119.7,108.8,131.3,125,114.7,130.2,109.7,108.5,126.9,116.8,118.4,130,115.7,99.8,123.1,112,113.7,121.7,106.3,98.7,132.2,109.4,120,131.2,107.6,104.7,120.1,97.6,111.2,120,100.3,99.7,110.5,101.6,121,112,96.1,99.7,116,100.3,111.8,107,98.3,96.8,116.4,86.3,111,108.9,94,98.4,107,103.2,102.6,103.1,93.6,89.7,106.6,98.6,110.1,105.4,98,98.1,108,109.8,98,110.8,95.8,94,107.6,107.1,108.1,104.8,93.6,89.3)
> par5 = 'omzet transportmiddelenindustrie'
> par4 = 'omzet 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/1s3od1224575401.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/1s3od1224575401.ps tmp/1s3od1224575401.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.936   0.189   1.050