R version 2.7.2 (2008-08-25)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> y <- c(110.42,110.26,110.16,110.38,111,111.4,111.58,111,109.93,110.17,110.02,108.89,109.68,109.82,109.79,109.55,109.46,109.98,110.65,111.56,113.23,114.05,114.15,113.74,114.27,114.41,114.31,114.36,114.07,114.71,115.48,116.27,117.27,117.07,116.46,115.66,116.1,116.78,116.11,119.17,120.76,121.07,122.07,123.22,122.75,123.12,123.22,122.92,124.3,126.54,127.53,127.37,127.47,128.19,127.94,127.46,127.53,127.26,126.5,124.53)
> x <- c(107.31,107.42,107.51,107.09,107.42,107.58,108.65,108.47,108.38,107.96,107.67,106.09,107.83,107.82,107.88,107.91,107.98,107.58,107.7,107.97,109.13,108.92,109.17,108.39,109.32,109.48,109.55,109.31,109.05,109.26,109.14,109.76,110.7,110.14,111.47,110.89,110.45,110.2,110.23,112.3,112.77,112.95,112.67,112.68,112.33,111.95,111.66,110.65,111.9,113.7,113.53,113.73,114.85,113.48,113.13,112.45,110.77,110.01,109.41,107.01)
> par5 = 'vermout'
> par4 = 'porto'
> par3 = 'TRUE'
> par2 = 'grey'
> par1 = 'grey'
> ylab = ''
> main = 'porto back to back vermout'
> #'GNU S' R Code compiled by R2WASP v. 1.0.44 ()
> #Author: Prof. Dr. P. Wessa
> #To cite this work: Wessa P., (2007), Back to Back Histogram (v1.0.2) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_backtobackhist.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description
> 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/1z65g1224541608.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/1z65g1224541608.ps tmp/1z65g1224541608.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.233   0.239   1.311