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(3.2,1.9,0,0.6,0.2,0.9,2.4,4.7,9.4,12.5,15.8,18.2,16.8,17.3,19.3,17.9,20.2,18.7,20.1,18.2,18.4,18.2,18.9,19.9,21.3,20,19.5,19.6,20.9,21,19.9,19.6,20.9,21.7,22.9,21.5,21.3,23.5,21.6,24.5,22.2,23.5,20.9,20.7,18.1,17.1,14.8,13.8,15.2,16,17.6,15,15,16.3,19.4,21.3,20.5,21.1,21.6,22.6)
> x <- c(1.74,1.75,1.83,2.09,2.12,2.29,2.4,2.82,3.18,4,4.8,5.28,5.37,5.27,5.33,5.23,5.08,5.11,5.1,4.97,5,5.2,4.9,4.82,5.04,4.82,4.77,4.79,4.58,4.59,4.57,4.35,4.27,4.39,3.97,3.84,3.73,3.58,3.45,3.44,3.25,3.25,3.02,2.87,2.92,2.95,2.75,2.7,2.75,2.72,2.71,2.76,2.68,2.78,2.86,2.75,2.87,2.91,2.79,2.77)
> par5 = 'ip'
> par4 = 'venn>'
> 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/1v9vo1258129785.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/1v9vo1258129785.ps tmp/1v9vo1258129785.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.576   0.169   0.654