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(20.72,21.45,22.09,21.53,23.35,23.57,26.42,25.21,26.44,29.34,29.40,33.05,28.38,26.01,29.31,30.36,35.75,36.15,34.21,37.91,38.70,42.12,42.16,39.80,37.36,38.35,42.60,41.25,42.16,46.94,47.43,47.06,50.18,50.13,43.23,40.04,40.37,42.21,37.00,39.74,42.68,46.29,46.97,48.73,52.37,50.05,54.04,57.78,64.72,63.41,64.36,66.03,72.14,76.60,86.97,93.48,95.59,81.89,70.55,50.38,36.25)
> x <- c(97.57,97.74,97.92,98.19,98.23,98.41,98.59,98.71,99.14,99.62,100.18,100.66,101.19,101.75,102.2,102.87,98.81,97.6,96.68,95.96,98.89,99.05,99.2,99.11,99.19,99.77,100.70,100.78,100.53,101.01,100.92,101.10,103.11,102.99,102.31,102.61,103.68,104.72,107.66,108.87,108.12,107.61,106.42,105.61,105.71,105.49,105.57,105.18,106.09,106.34,108.47,116.87,121.08,123.27,124.18,125.60,126.57,127.18,128.04,128.55,129.67)
> par7 = 'Y'
> par6 = 'Y'
> par5 = '0'
> par4 = '0'
> par3 = '0'
> par2 = '50'
> par1 = '50'
> ylab = 'Olie'
> xlab = 'Elektriciteit'
> 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/freestat/rcomp/tmp/1jr7k1229603640.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  
   -109.941        1.465  

> abline(r)
> box()
> dev.off()
null device 
          1 
> 
> #Note: the /var/www/html/freestat/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/www/html/freestat/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/freestat/rcomp/tmp/2wpwr1229603640.tab") 
> 
> system("convert tmp/1jr7k1229603640.ps tmp/1jr7k1229603640.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.847   0.365   1.033