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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> x <- c(66.2,66.2,66.2,66.08,66.31,66.39,66.37,66.23,66.27,66.27,66.27,66.28,66.28,66.28,66.26,66.13,65.86,65.9,65.94,65.94,65.91,65.95,65.91,66.08,66.47,66.47,66.56,66.78,67.08,67.28,67.27,67.27,67.26,67.37,67.5,67.63,67.64,67.64,67.71,67.87,67.93,68.33,68.39,68.39,68.58,68.44,68.49,68.52,68.54,68.54,68.54,68.62,68.75,68.71,68.72,68.72,68.72,68.92,68.9,69.12,69.09,69.09,69.1,69.16,68.83,68.52,68.53,68.53,68.51,68.38,68.44,68.41,68.42,68.42,68.45,68.63,68.84,68.72,68.37,68.37,68.47,68.69,68.46,68.17,68.17)
> par1 = '0'
> ylab = 'Dichtheid'
> xlab = 'Prijs in euro'
> #'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: 
> if (par1 == '0') bw <- 'nrd0'
> if (par1 != '0') bw <- as.numeric(par1)
> postscript(file="/var/www/html/freestat/rcomp/tmp/1gc2h1236031311.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> mydensity1<-density(x,bw=bw,kernel='gaussian',na.rm=TRUE)
> plot(mydensity1,main='Gaussian Kernel',xlab=xlab,ylab=ylab)
> grid()
> dev.off()
null device 
          1 
> mydensity1

Call:
	density.default(x = x, bw = bw, kernel = "gaussian", na.rm = TRUE)

Data: x (85 obs.);	Bandwidth 'bw' = 0.4114

       x               y            
 Min.   :64.63   Min.   :0.0005385  
 1st Qu.:66.07   1st Qu.:0.0447616  
 Median :67.51   Median :0.1611172  
 Mean   :67.51   Mean   :0.1731719  
 3rd Qu.:68.95   3rd Qu.:0.2654240  
 Max.   :70.39   Max.   :0.4426215  
> postscript(file="/var/www/html/freestat/rcomp/tmp/244661236031311.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> mydensity2<-density(x,bw=bw,kernel='epanechnikov',na.rm=TRUE)
> plot(mydensity2,main='Epanechnikov Kernel',xlab=xlab,ylab=ylab)
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/3d3m81236031311.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> mydensity3<-density(x,bw=bw,kernel='rectangular',na.rm=TRUE)
> plot(mydensity3,main='Rectangular Kernel',xlab=xlab,ylab=ylab)
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/4jghz1236031311.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> mydensity4<-density(x,bw=bw,kernel='triangular',na.rm=TRUE)
> plot(mydensity4,main='Triangular Kernel',xlab=xlab,ylab=ylab)
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/5r8yy1236031311.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> mydensity5<-density(x,bw=bw,kernel='biweight',na.rm=TRUE)
> plot(mydensity5,main='Biweight Kernel',xlab=xlab,ylab=ylab)
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/6g5c91236031311.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> mydensity6<-density(x,bw=bw,kernel='cosine',na.rm=TRUE)
> plot(mydensity6,main='Cosine Kernel',xlab=xlab,ylab=ylab)
> grid()
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/7p1911236031311.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> mydensity7<-density(x,bw=bw,kernel='optcosine',na.rm=TRUE)
> plot(mydensity7,main='Optcosine Kernel',xlab=xlab,ylab=ylab)
> grid()
> 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,'Properties of Density Trace',2,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'Bandwidth',header=TRUE)
> a<-table.element(a,mydensity1$bw)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'#Observations',header=TRUE)
> a<-table.element(a,mydensity1$n)
> a<-table.row.end(a)
> a<-table.end(a)
> table.save(a,file="/var/www/html/freestat/rcomp/tmp/8rz971236031311.tab") 
> 
> system("convert tmp/1gc2h1236031311.ps tmp/1gc2h1236031311.png")
> system("convert tmp/244661236031311.ps tmp/244661236031311.png")
> system("convert tmp/3d3m81236031311.ps tmp/3d3m81236031311.png")
> system("convert tmp/4jghz1236031311.ps tmp/4jghz1236031311.png")
> system("convert tmp/5r8yy1236031311.ps tmp/5r8yy1236031311.png")
> system("convert tmp/6g5c91236031311.ps tmp/6g5c91236031311.png")
> system("convert tmp/7p1911236031311.ps tmp/7p1911236031311.png")
> 
> 
> proc.time()
   user  system elapsed 
  2.106   1.751   2.862