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(44277,44976,45406,47379,49200,50221,51573,53091,53337,54978,57885,67099,67169,69796,70600,71982,73957,75273,76322,77078,77954,79238,82179,83834,83744,84861,86478,88290,90287,91230,92380,92506,94172,94728,96581,97344,98346,98214,98366,98768,99832,99976,99961,100164,99964,99304,104008,104644,103950,104263,104241,105141,106018,105866,105944,106379,105082,104915,107026,107306)
> x <- c(375787,372720,364431,370490,376974,377632,378205,370861,369167,371551,382842,381903,384502,392058,384359,388884,386586,387495,385705,378670,377367,376911,389827,387820,387267,380575,372402,376740,377795,376126,370804,367980,367866,366121,379421,378519,372423,355072,344693,342892,344178,337606,327103,323953,316532,306307,327225,329573,313761,307836,300074,304198,306122,300414,292133,290616,280244,285179,305486,305957)
> par5 = 'niet-werkende werkzoekenden 50+'
> par4 = 'niet-werkende werkzoekenden 25-50'
> 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/1zai61224539576.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/1zai61224539576.ps tmp/1zai61224539576.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.739   0.256   1.802