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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> x <- c(2.98,2.98,2.98,3.03,3.07,3.08,3.08,3.08,3.08,3.08,3.08,3.08,3.08,3.08,3.12,3.15,3.15,3.15,3.15,3.16,3.19,3.2,3.2,3.2,3.21,3.21,3.21,3.21,3.21,3.28,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.45,3.49,3.5,3.54,3.64,3.67,3.67,3.68,3.68,3.68,3.68,3.7,3.83,3.87,3.87,3.87,3.87,3.87,3.87,3.87,3.87,3.87,3.88,3.88,3.88,3.88,3.88,3.88,3.89,3.89,3.91,3.95,3.99,3.99,3.99)
> par1 = '0'
> ylab = 'Density prijs in euro'
> 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/rcomp/tmp/1u1cc1234710863.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 (72 obs.);	Bandwidth 'bw' = 0.132

       x               y           
 Min.   :2.584   Min.   :0.001974  
 1st Qu.:3.034   1st Qu.:0.137691  
 Median :3.485   Median :0.549881  
 Mean   :3.485   Mean   :0.554235  
 3rd Qu.:3.936   3rd Qu.:0.906337  
 Max.   :4.386   Max.   :1.232614  
> postscript(file="/var/www/html/rcomp/tmp/2897h1234710863.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/rcomp/tmp/3bzf31234710863.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/rcomp/tmp/479911234710863.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/rcomp/tmp/5a6xp1234710863.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/rcomp/tmp/6euta1234710863.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/rcomp/tmp/7fcdr1234710863.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/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/www/html/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/rcomp/tmp/8r01v1234710863.tab") 
> 
> system("convert tmp/1u1cc1234710863.ps tmp/1u1cc1234710863.png")
> system("convert tmp/2897h1234710863.ps tmp/2897h1234710863.png")
> system("convert tmp/3bzf31234710863.ps tmp/3bzf31234710863.png")
> system("convert tmp/479911234710863.ps tmp/479911234710863.png")
> system("convert tmp/5a6xp1234710863.ps tmp/5a6xp1234710863.png")
> system("convert tmp/6euta1234710863.ps tmp/6euta1234710863.png")
> system("convert tmp/7fcdr1234710863.ps tmp/7fcdr1234710863.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.256   1.103   1.725