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(2564,3869,4145,4091,4117,3281,2186,3476,4009,3924,3101,2211,2497,3520,4191,8255,3000,2955,1986,3229,3448,3371,3160,2429,2574,2725,3451,3481,3592,3472,2312,3322,4348,3603,2700,2640,2916,3180,4151,4023,3431,3874,2617,3580,5267,3832,3441,3228,3397,3971,4625,4486,4132,4685,3172,4280,4207,4158,3933,3151,3616,4222,4436,4806,4849,5023,3521,4649,5388,5148,4847,3996,4483,4684,5454,4770,5309,5074,3505,4953,5155,5308,5171,4003,4379)
> x <- c(3595,3914,4159,3676,3794,3446,3504,3958,3353,3480,3098,2944,3389,3497,4404,3849,3734,3060,3507,3287,3215,3764,2734,2837,2766,3851,3289,3848,3348,3682,4058,3655,3811,3341,3032,3475,3353,3186,3902,4164,3499,4145,3796,3711,3949,3740,3243,4407,4814,3908,5250,3937,4004,5560,3922,3759,4138,4634,3996,4308,4143,4429,5219,4929,5755,5592,4163,4962,5208,4755,4491,5732,5731,5040,6102,4904,5369,5578,4619,4731,5011,5299,4146,4625,4736)
> par5 = 'begonnen gebouwen'
> par4 = 'bouwvergunningen'
> par3 = 'TRUE'
> par2 = 'blue'
> par1 = 'red'
> 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/16s5l1257957493.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/16s5l1257957493.ps tmp/16s5l1257957493.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.997   0.229   1.074