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(8,8,8.2,8.5,8.7,8.7,8,8,8.3,8.5,8.7,8.6,8.3,7.9,7.9,8.1,8.3,8.1,7.4,7.3,7.7,8,8,7.7,6.9,6.6,6.9,7.5,7.9,7.7,6.5,6.1,6.4,6.8,7.1,7.3,7.2,7,7,7,7.3,7.5,7.2,7.7,8,7.9,8,8,7.9,7.9,8,8.1,8.1,8.2,8,8.3,8.5,8.6,8.7,8.7,8.5,8.4,8.5,8.7,8.7,8.6,7.9,8.1,8.2,8.5,8.6,8.5)
> par1 = '0'
> ylab = 'Densiteit'
> xlab = 'Aantal'
> if (par1 == '0') bw <- 'nrd0'
> if (par1 != '0') bw <- as.numeric(par1)
> postscript(file="/var/www/rcomp/tmp/1ma7h1298397000.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 (72 obs.);	Bandwidth 'bw' = 0.243

       x               y            
 Min.   :5.371   Min.   :0.0002599  
 1st Qu.:6.385   1st Qu.:0.0427140  
 Median :7.400   Median :0.2016589  
 Mean   :7.400   Mean   :0.2461402  
 3rd Qu.:8.415   3rd Qu.:0.4129131  
 Max.   :9.429   Max.   :0.6856784  
> postscript(file="/var/www/rcomp/tmp/231pl1298397000.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/3j57j1298397000.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/4w2tp1298397000.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/51kz21298397000.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/6l7221298397000.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/7oq2y1298397000.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/8jeej1298397000.tab") 
> 
> try(system("convert tmp/1ma7h1298397000.ps tmp/1ma7h1298397000.png",intern=TRUE))
character(0)
> try(system("convert tmp/231pl1298397000.ps tmp/231pl1298397000.png",intern=TRUE))
character(0)
> try(system("convert tmp/3j57j1298397000.ps tmp/3j57j1298397000.png",intern=TRUE))
character(0)
> try(system("convert tmp/4w2tp1298397000.ps tmp/4w2tp1298397000.png",intern=TRUE))
character(0)
> try(system("convert tmp/51kz21298397000.ps tmp/51kz21298397000.png",intern=TRUE))
character(0)
> try(system("convert tmp/6l7221298397000.ps tmp/6l7221298397000.png",intern=TRUE))
character(0)
> try(system("convert tmp/7oq2y1298397000.ps tmp/7oq2y1298397000.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  1.790   0.220   2.059