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(3032.9,2630.8,2851.4,3029.7,2856.4,2899.2,2784.9,2764.2,2770.0,2335.6,2700.9,2941.0,2489.2,2378.3,2404.6,2661.4,2559.3,2431.0,2670.2,2333.8,2441.9,2215.9,2482.9,2520.4,2423.8,2262.3,2190.8,2606.3,2547.9,2281.4,2594.1,2174.8,2158.6,2282.5,2368.1,2316.1,2404.9,2025.7,1931.9,2376.5,2091.7,2232.5,2355.8,2066.1,2014.4,2330.4,2198.2,2287.0,2371.4,1872.4,1983.8,2285.6,1965.0,2213.0,2246.3,1889.4,1907.4,1955.1,1863.6,2161.5)
> x <- c(3755.3,3001.4,3815.7,4034.4,3590.4,4176.4,3943.5,3934.2,3859.2,3300.5,3800.0,3958.7,3451.4,2678.6,3279.3,3550.3,3294.4,3202.2,3486.4,3139.7,3283.2,2933.6,3391.6,3301.3,3257.6,2537.0,2970.5,3481.9,3361.1,3123.2,3843.3,3153.0,3365.1,3528.5,3506.7,3146.6,3195.1,2424.0,2676.3,3174.6,3067.4,3121.2,3517.7,3014.7,2949.6,2990.3,3084.1,3077.9,3023.6,2226.2,2628.3,3088.7,2551.4,2856.7,3176.2,2663.1,2630.4,2584.4,2472.2,2895.6)
> par5 = 'Uitvoer naar Nederland'
> par4 = 'Uitvoer naar Frankrijk'
> par3 = 'TRUE'
> par2 = 'grey'
> par1 = 'grey'
> 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: 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/rcomp/tmp/1ian91229885645.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/1ian91229885645.ps tmp/1ian91229885645.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.788   0.170   0.856