R version 2.9.0 (2009-04-17)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> y <- c(97.9,96.6,96.2,95.8,96,96.2,96.5,95.4,96.2,96.8,97,97.1,96.6,95.8,96.2,96,95.9,95.8,96,96.2,96.8,96.9,97.2,98.9,98.9,98.8,99,99.6,99.9,100.1,99.9,100.5,100.7,101.3,101.3,101.7,103,104.7,104.5,104.6,104.2,104.5,104.8,104.7,104.6,104.5,104.7,104.8,106.2,105.6,104.5,104.2,104.1,103.3,103.8,103.3,103.7,103.5,103.7,103.4,102.8)
> x <- c(103.5,103.2,103.1,102.9,102.9,102.9,103.2,103,103.7,104.2,104.7,104.8,104.9,104.8,104.6,104.6,105.2,105.2,105.4,106.1,107.6,107.9,107.9,108.8,109.6,109.5,109.4,109.9,110.7,110,110.4,110.7,110.9,111.2,111.9,112.7,114.1,114.3,114.6,115,115.6,115.6,116.2,116,116.2,116.3,116.1,116.6,116.5,115.7,114.8,114.3,115.2,115.2,114.7,113.8,114.2,114.2,114.1,113.8,113.9)
> par5 = 'AFPBU'
> par4 = 'AFPBI'
> par3 = 'TRUE'
> par2 = 'blue'
> par1 = 'red'
> ylab = 'indexwaarde'
> 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)
Loading required package: survival
Loading required package: splines

Attaching package: 'Hmisc'


	The following object(s) are masked from package:survival :

	 untangle.specials 


	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/1uls41257863211.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/1uls41257863211.ps tmp/1uls41257863211.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.594   0.191   0.767