R version 2.8.1 (2008-12-22)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> y <- c(107.3,107.2,107.2,105.7,105.7,104.9,104.8,104,104,103.6,103.6,103.6,103.6,104.2,104.2,104.7,104.7,104.7,106.1,106.1,106.1,106.1,106.1,106.1,106.1,106.1,106.1,106.1,106.1,106.1,106.1,106.1,106.1,106.2,106.4,106.4,106.4,107,107,107,107,106.1,106.3,106.2,106.2,106.3,106.3,106.2,107.1,105.2,103.4,102.4,100.6,100.6,100.6,99.8,100.2,101.4,101,100.6,100)
> x <- c(82.1,55.1,60.6,56.5,53.4,58.5,60.7,47.3,53.7,46.9,51.8,55.2,61.6,47.5,46.1,54.3,49.2,62.6,54.7,48.4,42.1,46.6,55,56.7,55.7,52,65.2,51,57.3,60.5,59.2,40.8,39.5,54.6,54.7,53.3,56.7,57.8,57.1,51.1,60.3,58,63.2,54.5,50.3,48.2,51.3,52.6,68,67.5,53.4,65.3,64.9,51.9,60.6,50.5,61.5,74.4,66.4,69.8,96.8)
> par7 = 'Y'
> par6 = 'Y'
> par5 = '0'
> par4 = '0'
> par3 = '0'
> par2 = '50'
> par1 = '50'
> ylab = 'Productie tabak'
> xlab = 'Invoer tabak'
> 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description (don't use hard returns!)
> par1 <- as(par1,'numeric')
> par2 <- as(par2,'numeric')
> par3 <- as(par3,'numeric')
> par4 <- as(par4,'numeric')
> par5 <- as(par5,'numeric')
> library('GenKern')
Loading required package: KernSmooth
KernSmooth 2.22 installed
Copyright M. P. Wand 1997
> if (par3==0) par3 <- dpik(x)
> if (par4==0) par4 <- dpik(y)
> if (par5==0) par5 <- cor(x,y)
> if (par1 > 500) par1 <- 500
> if (par2 > 500) par2 <- 500
> postscript(file="/var/www/rcomp/tmp/1m4011256752508.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> op <- KernSur(x,y, xgridsize=par1, ygridsize=par2, correlation=par5, xbandwidth=par3, ybandwidth=par4)
> image(op$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  
  108.94862     -0.07127  

> abline(r)
> box()
> dev.off()
null device 
          1 
> 
> #Note: the /var/www/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/www/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/rcomp/tmp/219j81256752508.tab") 
> 
> system("convert tmp/1m4011256752508.ps tmp/1m4011256752508.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.510   0.420   0.881