R version 2.9.0 (2009-04-17)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(9.26,9.29,9.28,9.31,9.27,9.27,9.28,9.25,9.32,9.33,9.31,9.3,9.29,9.33,9.35,9.35,9.37,9.37,9.35,9.33,9.34,9.37,9.33,9.31,9.26,9.27,9.29,9.27,9.29,9.31,9.33,9.35,9.34,9.35,9.38,9.43,9.47,9.5,9.55,9.58,9.61,9.57,9.61,9.65,9.62,9.63,9.62,9.63,9.65,9.72,9.75,9.77,9.78,9.82,9.84,9.9,9.94,9.96,10.03,10.03,10.12,10.12,10.05,10.14,10.17,10.2,10.2,10.35,10.43,10.52,10.57,10.57,10.57,10.65,10.57,10.61,10.63,10.71,10.72,10.77,10.79,10.82,10.9,10.83,10.92,10.91,10.88,10.87,11,10.99,11.03,11.04,10.99,10.9,11,10.99,10.92,10.98,11.15,11.19,11.33,11.38,11.4,11.45,11.56,11.61,11.82,11.77,11.85,11.82,11.92,11.86,11.87,11.94,11.86,11.92,11.83,11.91,11.93,11.99,11.96,12.12,11.85,12.01,12.1,12.21,12.31,12.31,12.39,12.35,12.41,12.51)
> par1 = '0'
> ylab = 'Aantal metingen'
> xlab = 'Prijs'
> #'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/12f5o1246469743.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 (132 obs.);	Bandwidth 'bw' = 0.3485

       x                y            
 Min.   : 8.205   Min.   :0.0002328  
 1st Qu.: 9.542   1st Qu.:0.0566146  
 Median :10.880   Median :0.2064877  
 Mean   :10.880   Mean   :0.1866671  
 3rd Qu.:12.218   3rd Qu.:0.2608956  
 Max.   :13.555   Max.   :0.4486581  
> postscript(file="/var/www/html/rcomp/tmp/2ui5a1246469743.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/30ijx1246469743.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/4su1d1246469743.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/5hnho1246469743.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/65a1q1246469743.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/77uxm1246469743.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/805kg1246469743.tab") 
> 
> system("convert tmp/12f5o1246469743.ps tmp/12f5o1246469743.png")
> system("convert tmp/2ui5a1246469743.ps tmp/2ui5a1246469743.png")
> system("convert tmp/30ijx1246469743.ps tmp/30ijx1246469743.png")
> system("convert tmp/4su1d1246469743.ps tmp/4su1d1246469743.png")
> system("convert tmp/5hnho1246469743.ps tmp/5hnho1246469743.png")
> system("convert tmp/65a1q1246469743.ps tmp/65a1q1246469743.png")
> system("convert tmp/77uxm1246469743.ps tmp/77uxm1246469743.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.385   1.151  13.967