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(241.66,251.25,230.26,240.91,211.20,188.19,177.01,167.85,174.03,170.09,203.42,254.97,342.84,386.29,440.51,433.58,408.13,370.32,355.51,332.62,314.62,301.73,306.31,282.98,266.48,249.97,259.87,246.24,238.36,238.04,224.19,214.71,203.11,221.00,211.73,209.39,217.48,242.19,244.64,232.07,235.80,230.37,209.82,206.41,209.60,192.24,186.17,193.41,202.36,203.00,190.64,185.43,171.58,179.57,180.42,162.10,157.95,146.66,154.43,163.38,150.92,151.98,144.74,140.37,143.36,135.79,134.73,126.42,124.72,117.90,114.07,112.26,105.44,110.77,107.68,105.76,102.03,100.22,111.62,118.11,111.72,103.42,97.13,103.10,104.91,100.22,98.52,95.32,96.92,96.60,92.55,82.75,80.84,79.13,79.77,85.10,96.39,97.56,96.39,101.18,103.52,100.11,99.26,104.48,101.29,100.33,115.24,113.64,115.35,108.42,105.65,108.64,104.80,95.43,104.48,103.84,100.01)
> x <- c(83.33,83.33,78.33,77.50,76.67,74.17,72.50,72.50,75.83,71.67,74.17,78.33,85.00,83.33,81.67,83.33,85.00,86.67,90.00,90.00,87.50,89.17,85.83,91.67,90.83,90.83,91.67,93.33,94.17,94.17,91.67,93.33,91.67,85.83,93.33,94.17,90.83,90.83,90.83,90.83,87.50,89.17,88.33,90.83,91.67,88.33,85.00,85.83,80.83,84.17,83.33,83.33,83.33,88.33,90.83,90.00,87.50,87.50,86.67,87.50,90.83,90.83,89.17,92.50,87.50,89.17,90.00,91.67,90.00,87.50,87.50,80.00,88.33,83.33,81.67,84.17,85.00,83.33,77.50,81.67,85.00,85.83,89.17,90.00,90.00,90.00,91.67,92.50,93.33,92.50,94.17,93.33,91.67,85.83,77.50,80.83,89.17,92.50,95.83,95.83,95.00,95.00,98.33,99.17,103.33,105.00,104.17,104.17,100.83,105.83,103.33,105.00,103.33,102.50,103.33,101.67,100.00)
> par5 = 'icg'
> par4 = 'icv'
> par3 = 'TRUE'
> par2 = 'grey'
> par1 = 'yellow'
> 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/17drm1257758122.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/17drm1257758122.ps tmp/17drm1257758122.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.973   0.224   1.043