R version 2.8.0 (2008-10-20)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> y <- c(128.6,128.9,129.06,129.23,129.27,129.33,129.35,129.31,129.4,129.49,129.47,129.46,129.45,129.28,129.2,129.25,129.14,129.11,129.02,129.08,128.99,129.11,129.08,129.19,129.23,129.25,129.31,129.33,129.39,129.55,129.43,129.45,129.57,129.76,129.92,130.08,130.41,130.84,131.24,131.49,131.74,132.34,133.5,134.43,136.5,137.41,138.02,138.15,138.24,138.2,138.31,138.65,139.3,139.8,140.52,141.57,141.77,141.66,141.36,141.17)
> x <- c(131.6,132.05,132.4,132.57,133.02,133.47,133.66,133.96,134.19,134.93,134.9,135.05,135.16,135.23,135.15,135.12,137.29,137.41,137.44,137.62,137.78,137.98,138.06,138.16,138.28,138.33,138.43,138.44,138.41,138.55,138.64,138.72,138.9,139.02,139.04,139.15,139.3,140.73,141.84,141.95,142.1,142.36,142.58,142.75,142.85,143.03,143.19,143.62,143.89,144.69,147.51,147.78,148.04,148.21,148.29,148.34,148.33,148.38,148.37,148.37)
> par5 = 'ICV'
> par4 = 'ICBG'
> 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)

Attaching package: 'Hmisc'


	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/freestat/rcomp/tmp/132ul1257513509.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/132ul1257513509.ps tmp/132ul1257513509.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.012   0.233   1.074