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(100.00,110.76,130.55,126.20,118.88,116.25,108.24,109.73,119.79,117.62,112.24,130.32,92.56,109.50,129.52,121.17,124.49,117.05,113.27,115.22,132.15,115.22,125.74,131.12,97.71,114.99,131.35,133.30,129.18,116.70,121.28,120.48,135.93,121.40,125.06,134.10,105.84,119.22,128.72,140.05,129.63,114.42,126.66,129.06,125.63,134.21,124.83,132.61,109.84,114.19,133.64,132.38,113.73,107.89,104.12,106.64,117.96,107.67,105.03,117.51)
> x <- c(100.00,94.97,107.50,124.27,107.06,79.71,163.41,144.83,166.82,154.26,132.60,157.51,104.02,106.03,113.23,117.64,113.34,66.62,185.99,174.57,208.19,163.81,162.46,148.16,113.41,105.63,111.79,132.36,110.75,67.37,178.29,156.38,189.71,152.80,150.80,160.40,127.25,108.47,117.09,147.25,116.19,75.83,181.94,179.12,183.15,197.90,155.42,162.54,125.90,105.50,121.11,137.51,97.20,69.74,152.58,146.59,161.16,152.84,121.95,140.12)
> par5 = 'eco'
> par4 = 'insch'
> 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/1bdp11259014296.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/1bdp11259014296.ps tmp/1bdp11259014296.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.591   0.188   0.670