R version 2.7.0 (2008-04-22)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> y <- c(12300.00,12092.80,12380.80,12196.90,9455.00,13168.00,13427.90,11980.50,11884.80,11691.70,12233.80,14341.40,13130.70,12421.10,14285.80,12864.60,11160.20,14316.20,14388.70,14013.90,13419.00,12769.60,13315.50,15332.90,14243.00,13824.40,14962.90,13202.90,12199.00,15508.90,14199.80,15169.60,14058.00,13786.20,14147.90,16541.70,13587.50,15582.40,15802.80,14130.50,12923.20,15612.20,16033.70,16036.60,14037.80,15330.60,15038.30,17401.80,14992.50,16043.70,16929.60,15921.30,14417.20,15961.00,17851.90,16483.90,14215.50,17429.70,17839.50,17629.20)
> x <- c(15370.60,14956.90,15469.70,15101.80,11703.70,16283.60,16726.50,14968.90,14861.00,14583.30,15305.80,17903.90,16379.40,15420.30,17870.50,15912.80,13866.50,17823.20,17872.00,17420.40,16704.40,15991.20,16583.60,19123.50,17838.70,17209.40,18586.50,16258.10,15141.60,19202.10,17746.50,19090.10,18040.30,17515.50,17751.80,21072.40,17170.00,19439.50,19795.40,17574.90,16165.40,19464.60,19932.10,19961.20,17343.40,18924.20,18574.10,21350.60,18594.60,19823.10,20844.40,19640.20,17735.40,19813.60,22238.50,20682.20,17818.60,21872.10,22117.00,21865.90)
> par5 = 'Uitvoer Vlaanderen'
> par4 = 'Uitvoer Belgie'
> 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: 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/rcomp/tmp/1bc8v1227430782.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/1bc8v1227430782.ps tmp/1bc8v1227430782.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.736   0.251   1.797