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(4.1,1.4,1.4,1.8,1.3,1.9,2.7,3.5,3.6,4.8,5.3,5.5,5.9,6.8,7.1,6.9,7.2,7.1,6.6,5.7,5.9,5.1,4.8,4.6,4.2,3.8,3.3,3.2,3.4,3.3,3.3,3.9,3.9,4.1,4,3.9,3.9,3.9,3.8,3.7,3.6,3.7,3.9,3.7,3.3,4,4,4.3,4,3.7,4.3,4.4,4.4,4.3,4.1,4.1,4.5,4,3.8,3.7)
> x <- c(1,0.4,0.1,0.4,-0.5,1.6,2.6,3.8,5.5,6.3,6.1,4.2,3.6,5,5.5,5.9,6.4,5.5,6.7,3.6,4.3,3.2,3.4,4.7,3.5,4.1,2.5,3.7,5.6,5.2,3.7,7.6,5.7,6.3,7.9,6.8,8,7.6,8.7,5.3,5,3.6,3.7,3.1,1.7,5,4.7,3.8,3.5,3,2.5,4.8,3.4,3.7,4.6,3.9,5.9,3.5,1.5,3.9)
> par5 = 'ncg'
> par4 = 'nbl'
> 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/189eb1258134251.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/189eb1258134251.ps tmp/189eb1258134251.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.612   0.181   0.671