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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> x <- c(20.98,20.1,20.61,20.27,20.08,23.58,22.31,22.89,21.78,22.19,22.58,22.78,25.06,25.16,25.47,25.34,24.2,25.32,25.57,25.76,24.79,23.14,22.66,22.06,24.26,23.15,22.92,21.43,21.56,23.48,24.35,24.83,24.19,23.58,23.58,24.35,27.18,25.69,24.81,23.26,23.49,26.86,27.12,27.66,26.26,25.51,24.63,23.57,27.63,25.85,26.09,24.47,24.19,25.09,25.26,25.58,24.76,25.02,24.24,24.14,28.69,26.74,26.48,24.45,23.88,26.58,26.23,28.63,26.81,26.56,26.64,26.8,28.37,27.13,28.44,28.62,27.28,31.32,31.26,31.41,31.76,32.72,32.15,33.62,35.97,33.78,33.77,32.75,32.55,33.22,32.88,31.56,30.27,28.65,27.89,27.07,30.8,28.38,27.5,28,28.02,29.2,27.59,27.22,27.16,26.31,25.67,26.41,28.34,25.43,23.72,23.33,23.8,27.7,26.28,27.51,27.93,28.76,28.65,29.52,31.23,27.9,27.87,27.52,27.59,31.2,30.22,30.62,31.52,30.59,31.42,31.95)
> par1 = '0'
> ylab = '31/01/00-31/12/10'
> 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/wessaorg/rcomp/tmp/1sni11317742675.ps",horizontal=F,onefile=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 (132 obs.);	Bandwidth 'bw' = 1.076

       x               y            
 Min.   :16.85   Min.   :3.161e-05  
 1st Qu.:22.44   1st Qu.:5.206e-03  
 Median :28.02   Median :3.832e-02  
 Mean   :28.02   Mean   :4.470e-02  
 3rd Qu.:33.61   3rd Qu.:7.902e-02  
 Max.   :39.20   Max.   :1.154e-01  
> postscript(file="/var/wessaorg/rcomp/tmp/2tdl61317742675.ps",horizontal=F,onefile=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/wessaorg/rcomp/tmp/3ni041317742675.ps",horizontal=F,onefile=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/wessaorg/rcomp/tmp/45isz1317742675.ps",horizontal=F,onefile=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/wessaorg/rcomp/tmp/5eu9h1317742675.ps",horizontal=F,onefile=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/wessaorg/rcomp/tmp/6c3u31317742675.ps",horizontal=F,onefile=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/wessaorg/rcomp/tmp/773cv1317742675.ps",horizontal=F,onefile=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/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,'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/wessaorg/rcomp/tmp/8v6go1317742675.tab") 
> 
> try(system("convert tmp/1sni11317742675.ps tmp/1sni11317742675.png",intern=TRUE))
character(0)
> try(system("convert tmp/2tdl61317742675.ps tmp/2tdl61317742675.png",intern=TRUE))
character(0)
> try(system("convert tmp/3ni041317742675.ps tmp/3ni041317742675.png",intern=TRUE))
character(0)
> try(system("convert tmp/45isz1317742675.ps tmp/45isz1317742675.png",intern=TRUE))
character(0)
> try(system("convert tmp/5eu9h1317742675.ps tmp/5eu9h1317742675.png",intern=TRUE))
character(0)
> try(system("convert tmp/6c3u31317742675.ps tmp/6c3u31317742675.png",intern=TRUE))
character(0)
> try(system("convert tmp/773cv1317742675.ps tmp/773cv1317742675.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  1.786   0.358   2.165