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(100.00,97.67,95.35,95.35,97.67,101.55,99.22,96.90,100.00,101.55,101.55,102.33,96.90,97.67,100.00,97.67,96.12,90.70,93.02,94.57,92.25,89.92,89.92,86.82,86.82,89.15,89.92,90.70,91.47,91.47,91.47,87.60,87.60,88.37,86.05,89.15,94.57,100.00,101.55,104.65,105.43,111.63,110.08,117.83,122.48,123.26,119.38,120.16,113.95,101.55,97.67,95.35,92.25,82.17,82.17,74.42,68.99,64.34,71.32,68.22)
> x <- c(100.00,95.83,100.00,100.00,112.50,116.67,104.17,79.17,79.17,79.17,83.33,66.67,91.67,87.50,104.17,120.83,116.67,104.17,108.33,100.00,116.67,116.67,116.67,116.67,133.33,129.17,91.67,120.83,129.17,120.83,133.33,133.33,129.17,120.83,116.67,116.67,120.83,91.67,108.33,100.00,112.50,112.50,95.83,87.50,79.17,70.83,79.17,87.50,54.17,33.33,20.83,41.67,25.00,25.00,33.33,45.83,50.00,54.17,79.17,79.17)
> par5 = 'Consumptieprijsindex'
> par4 = 'Consumentenvertrouwen'
> par3 = 'TRUE'
> par2 = 'blue'
> par1 = 'red'
> 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)
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/1lplc1258291801.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/1lplc1258291801.ps tmp/1lplc1258291801.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.604   0.180   0.753