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(2319,2383,2513,2553,2341,2540,2371,2122,2301,2512,3145,2741,2548,1987,2281,2016,2434,2637,1831,1851,1839,2609,2417,2394,2372,2717,2998,2538,3007,2475,2175,2465,2279,2323,2746,2601,2486,2718,2646,2551,2712,2606,2365,3533,3509,2912,3599,2719,2869,4085,2686,2545,3071,3388,2652,3190,2884,3295,3818,3226,3953,3810,2877,3515,3708,3450,3360,4110,4384,3729,4263,3505,3674,3911,2951,3317,3417,3498,2768,2899,3171,3004,3481,3016,2595,3509,2833,3125,2556,3628,2876,2575,2903,3438,2926,3068,3015)
> x <- c(1671,1385,1632,1313,1300,1431,1398,1198,1292,1434,1660,1837,1455,1315,1642,1069,1209,1586,1122,1063,1125,1414,1347,1403,1299,1547,1515,1247,1639,1296,1063,1282,1365,1268,1532,1455,1393,1515,1510,1225,1577,1417,1224,1693,1633,1639,1914,1586,1552,2081,1500,1437,1470,1849,1387,1592,1589,1798,1935,1887,2027,2080,1556,1682,1785,1869,1781,2082,2570,1862,1936,1504,1765,1607,1577,1493,1615,1700,1335,1523,1621,1539,1637,1523,1418,1819,1594,1359,1261,1722,1407,1380,1642,1681,1542,1704,1431)
> par7 = 'Y'
> par6 = 'Y'
> par5 = '0'
> par4 = '0'
> par3 = '0'
> par2 = '50'
> par1 = '50'
> ylab = 'aantal woningen'
> xlab = 'aantal gebouwen'
> main = 'Bivariate Kernel Density'
> #'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!)
> par1 <- as(par1,'numeric')
> par2 <- as(par2,'numeric')
> par3 <- as(par3,'numeric')
> par4 <- as(par4,'numeric')
> par5 <- as(par5,'numeric')
> library('GenKern')
Loading required package: KernSmooth
KernSmooth 2.22 installed
Copyright M. P. Wand 1997

Loading GenKern version 1.1
Copyright Lucy and Aykroyd 2000
last update October 2004
requires KernSmooth


Package GenKern installed

> if (par3==0) par3 <- dpik(x)
> if (par4==0) par4 <- dpik(y)
> if (par5==0) par5 <- cor(x,y)
> if (par1 > 500) par1 <- 500
> if (par2 > 500) par2 <- 500
> postscript(file="/var/www/html/rcomp/tmp/1eukz1226323198.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> op <- KernSur(x,y, xgridsize=par1, ygridsize=par2, correlation=par5, xbandwidth=par3, ybandwidth=par4)
> image(op$xords, op$yords, op$zden, col=terrain.colors(100), axes=TRUE,main=main,xlab=xlab,ylab=ylab)
> if (par6=='Y') contour(op$xords, op$yords, op$zden, add=TRUE)
> if (par7=='Y') points(x,y)
> (r<-lm(y ~ x))

Call:
lm(formula = y ~ x)

Coefficients:
(Intercept)            x  
    -44.074        1.912  

> abline(r)
> box()
> dev.off()
null device 
          1 
> 
> #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/www/html/rcomp/createtable")
> 
> a<-table.start()
> a<-table.row.start(a)
> a<-table.element(a,'Bandwidth',2,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'x axis',header=TRUE)
> a<-table.element(a,par3)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'y axis',header=TRUE)
> a<-table.element(a,par4)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'Correlation',2,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'correlation used in KDE',header=TRUE)
> a<-table.element(a,par5)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'correlation(x,y)',header=TRUE)
> a<-table.element(a,cor(x,y))
> a<-table.row.end(a)
> a<-table.end(a)
> table.save(a,file="/var/www/html/rcomp/tmp/26ylg1226323198.tab") 
> 
> system("convert tmp/1eukz1226323198.ps tmp/1eukz1226323198.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.756   0.248   0.843