R version 2.13.0 (2011-04-13)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> y <- c(27,33.56,47.24,71.23,59.14,40.99,17.54,28.45,39.09,24.69,21.47,39.81,35.66,31.21,30.63,26.11,29.63,44.55,43.9,33.47,55.1,48.13,33.25,25.33,26.98,88.74,36.54,11.78,29.11,32.47,55.17,42.33,22.87,41.36,27.69,20.47,60.03,50.14,30.63,36.99,27.55,18.55,14.33,8.78,40.55,22.63,45.77,41.36,39.44,41.66,66.47,69.48,17.66,19.64,44.47,50.17,21.63,36.12,23.69,54.12,45.16,69.41,41.96,13.25,16.17,9.66,20.45,24.21,33.64,25.44,60.74,71.33,55.21,66.23,19.65,21.33,14.47,16.22,23.56,66.87,54.22,43.98,71.33,55.21,66.23,19.65,21.33,16.66,19.87,14.55,19.41,20.63,60.03,50.14,30.63,36.99,27.55,18.55,14.33,66.47,69.48,17.66,19.64,44.47,50.17,21.63,36.12,23.69,33.25,25.33,26.98,88.74,36.54,11.78,18.55,14.33,8.78,40.55,22.63,45.77)
> x <- c(14.69,20.15,11.78,21.47,17.54,21.47,18.55,14.33,8.78,17.66,19.64,13.25,16.17,9.66,20.45,24.21,19.65,21.33,14.47,16.22,16.66,19.87,14.55,19.41,20.63,9.12,8.36,19.36,25.78,14.66,27.55,22.63,30.33,22.22,11.99,9.47,10.33,15.36,14.99,17.31,18.94,16.54,18.21,11.74,17.41,9.99,21.14,19.7,14.87,19.65,27.65,13.45,20,13.47,18.54,20,11.47,28.65,24.14,19.87,17.65,13.69,15.47,11.63,10.24,13.54,11,19.74,21.25,29.54,11.41,10.87,8.47,12.69,10.14,18.63,22.54,17.65,16.41,17.65,19.87,21.45,22.65,20.69,23.74,20.96,18.35,17.84,20.54,21.63,27.61,19.47,23.52,25.64,19.33,20.64,18.98,15.67,23.74,22.89,24.66,29.4,19.87,17.55,15.94,21.74,23.51,24.84,18.47,21.01,16.74,27.45,19.54,17.74,21.65,24.74,26.89,23.22,20.16,21.88)
> par8 = 'terrain.colors'
> par7 = 'Y'
> par6 = 'Y'
> par5 = '0'
> par4 = '0'
> par3 = '0'
> par2 = '50'
> par1 = '50'
> ylab = 'y'
> xlab = 'x'
> main = 'Bivariate Kernel Density'
> 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 2.23 loaded
Copyright M. P. Wand 1997-2009
> 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/wessaorg/rcomp/tmp/111z81324569228.ps",horizontal=F,onefile=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  
     36.902       -0.056  

> abline(r)
> box()
> dev.off()
null device 
          1 
> 
> #Note: the /var/wessaorg/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/wessaorg/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/wessaorg/rcomp/tmp/2hjsp1324569228.tab") 
> 
> try(system("convert tmp/111z81324569228.ps tmp/111z81324569228.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  5.233   0.356   5.576