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(101.26,101.08,100.00,98.02,96.76,97.84,107.03,110.09,110.45,110.09,107.03,107.21,106.49,106.13,105.23,103.24,102.16,102.52,111.89,113.33,113.15,110.27,107.21,107.57,106.85,106.31,104.50,103.42,103.24,103.24,111.71,112.79,111.71,105.95,101.98,100.36,101.08,98.92,95.86,94.77,92.07,89.91,100.00,101.80,97.66,94.95,91.89,92.61,93.15,91.53,88.83,88.29,84.50,86.13,95.14,96.22,93.33,91.17,90.45,92.97)
> x <- c(77.21,81.52,100.00,87.41,64.23,71.41,51.22,48.64,55.06,63.65,54.83,40.83,83.69,74.18,85.44,79.01,67.92,80.67,53.28,54.31,57.99,60.25,58.05,34.12,95.26,89.41,106.63,83.90,83.21,75.88,58.09,54.10,57.26,67.79,56.72,34.51,91.31,80.10,97.17,78.26,77.23,82.16,65.17,55.56,59.97,75.42,59.51,38.84,93.18,91.74,93.80,101.36,79.60,83.25,64.49,54.04,62.03,70.43,49.78,35.72)
> par5 = 'Werkloos'
> par4 = 'Auto'
> 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)
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/18ktq1258231315.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/18ktq1258231315.ps tmp/18ktq1258231315.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.581   0.164   0.648