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(940,950,920,930,930,900,940,840,890,850,830,940,960,900,940,920,930,970,930,780,810,870,720,880,920,920,950,950,890,960,780,780,760,860,740,1020,890,1040,920,900,950,990,840,740,840,960,790,1010,900,970,920,980,890,1000,880,740,860,940,760,1010,870,980,920,950,880,980,910,730,880,820,690,990,800,960,910,950,940,1010,890,660,860,840,740,980,820,1080,930,970,930,1010,880,740,860,810,750,890,790,1000,890,970,900,990,910,730,850,840,830,950)
> par1 = '0'
> ylab = 'Density'
> xlab = 'aantal bezoekers'
> 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/wessaorg/rcomp/tmp/1wkhr1343556819.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 (108 obs.);	Bandwidth 'bw' = 28.96

       x                y            
 Min.   : 573.1   Min.   :1.447e-06  
 1st Qu.: 721.6   1st Qu.:1.634e-04  
 Median : 870.0   Median :1.377e-03  
 Mean   : 870.0   Mean   :1.682e-03  
 3rd Qu.:1018.4   3rd Qu.:2.861e-03  
 Max.   :1166.9   Max.   :4.951e-03  
> postscript(file="/var/wessaorg/rcomp/tmp/2kj3h1343556819.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/3he7i1343556819.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/4mqta1343556819.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/5es9b1343556819.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/6y2y21343556819.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/7rw3e1343556819.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/8ut8q1343556819.tab") 
> 
> try(system("convert tmp/1wkhr1343556819.ps tmp/1wkhr1343556819.png",intern=TRUE))
character(0)
> try(system("convert tmp/2kj3h1343556819.ps tmp/2kj3h1343556819.png",intern=TRUE))
character(0)
> try(system("convert tmp/3he7i1343556819.ps tmp/3he7i1343556819.png",intern=TRUE))
character(0)
> try(system("convert tmp/4mqta1343556819.ps tmp/4mqta1343556819.png",intern=TRUE))
character(0)
> try(system("convert tmp/5es9b1343556819.ps tmp/5es9b1343556819.png",intern=TRUE))
character(0)
> try(system("convert tmp/6y2y21343556819.ps tmp/6y2y21343556819.png",intern=TRUE))
character(0)
> try(system("convert tmp/7rw3e1343556819.ps tmp/7rw3e1343556819.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.262   0.594   3.080