R version 2.12.0 (2010-10-15)
Copyright (C) 2010 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> x <- c(67.66,68,68.02,68.11,68.41,68.4,68.4,68.55,68.54,68.99,68.97,68.98,68.98,68.94,69.21,69.21,69.67,69.66,69.66,69.66,69.77,70.32,70.34,70.38,70.38,70.29,70.42,70.29,70.59,70.64,70.64,70.68,70.78,70.9,71.04,71.15,71.15,71.15,71.07,71.17,71.24,71.23,71.23,71.23,71.24,71.28,71.52,71.52,71.52,71.6,71.61,71.78,71.66,71.86,71.86,71.82,71.8,72.22,72.51,72.56)
> par1 = '0'
> ylab = 'Dichtheid'
> xlab = 'Prijs in euro'
> par1 <- '0'
> #'GNU S' R Code compiled by R2WASP v. 1.2.291 ()
> #Author: root
> #To cite this work: Wessa, P. (2012), Kernel Density Estimation (v1.0.7) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_density.wasp/
> #Source of accompanying publication: http://www.xycoon.com/density_trace.htm
> #
> if (par1 == '0') bw <- 'nrd0'
> if (par1 != '0') bw <- as.numeric(par1)
> postscript(file="/var/www/rcomp/tmp/1j7an1337700495.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 (60 obs.);	Bandwidth 'bw' = 0.51

       x               y            
 Min.   :66.13   Min.   :0.0001860  
 1st Qu.:68.12   1st Qu.:0.0193826  
 Median :70.11   Median :0.1327979  
 Mean   :70.11   Mean   :0.1254937  
 3rd Qu.:72.10   3rd Qu.:0.1874555  
 Max.   :74.09   Max.   :0.3205171  
> postscript(file="/var/www/rcomp/tmp/2hjqs1337700495.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/www/rcomp/tmp/3y7w41337700495.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/www/rcomp/tmp/45xpg1337700495.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/www/rcomp/tmp/5ih281337700495.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/www/rcomp/tmp/69rsi1337700495.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/www/rcomp/tmp/73m9m1337700495.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/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,'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/rcomp/tmp/8kaq41337700495.tab") 
> 
> try(system("convert tmp/1j7an1337700495.ps tmp/1j7an1337700495.png",intern=TRUE))
character(0)
> try(system("convert tmp/2hjqs1337700495.ps tmp/2hjqs1337700495.png",intern=TRUE))
character(0)
> try(system("convert tmp/3y7w41337700495.ps tmp/3y7w41337700495.png",intern=TRUE))
character(0)
> try(system("convert tmp/45xpg1337700495.ps tmp/45xpg1337700495.png",intern=TRUE))
character(0)
> try(system("convert tmp/5ih281337700495.ps tmp/5ih281337700495.png",intern=TRUE))
character(0)
> try(system("convert tmp/69rsi1337700495.ps tmp/69rsi1337700495.png",intern=TRUE))
character(0)
> try(system("convert tmp/73m9m1337700495.ps tmp/73m9m1337700495.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  1.930   1.180   3.066