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(6.3,6.2,6.3,6.5,6.6,6.4,6.2,6.3,6.6,7.1,7.2,7.3,7.3,7.3,7.4,7.3,7.4,7.4,7.6,7.6,7.7,7.7,7.8,7.8,8,8.1,8.1,8.2,8.1,8.1,8.1,8.1,8.2,8.4,8.4,8.5,8.6,8.5,8.3,7.8,7.8,8,8.6,8.9,8.9,8.6,8.3,8.3,8.3,8.4,8.5,8.4,8.6,8.5,8.5,8.5,8.5,8.5,8.5,8.5,8.5,8.6,8.6,8.6,8.6,8.4,8.1,7.9,7.9,8,8,7.9,7.9,7.9,7.9,8,7.9,7.5,7.2,7,6.9,7.1,7.1,7.2,7.1,6.9,6.8,6.8,6.7,6.9,7.3,7.4,7.3,7.1,7,7.1,7.5,7.7,7.8,7.7,7.7,7.8,8,8.1,8.1,8,8.1,8.2,8.3,8.4,8.5,8.5,8.5,8.5,8.5,8.3,8.2,8.1,7.9,7.6)
> par1 = '0'
> ylab = 'aantal'
> xlab = 'procenten'
> #'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/wessaorg/rcomp/tmp/1g08o1317738730.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 (120 obs.);	Bandwidth 'bw' = 0.2302

       x               y            
 Min.   :5.509   Min.   :0.0003392  
 1st Qu.:6.530   1st Qu.:0.0467996  
 Median :7.550   Median :0.1926829  
 Mean   :7.550   Mean   :0.2447633  
 3rd Qu.:8.570   3rd Qu.:0.3966027  
 Max.   :9.591   Max.   :0.6163454  
> postscript(file="/var/wessaorg/rcomp/tmp/2nev21317738730.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/38rq21317738730.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/4x4qk1317738730.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/5haeu1317738730.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/6ps2o1317738730.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/7n8qm1317738730.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/8n4j31317738731.tab") 
> 
> try(system("convert tmp/1g08o1317738730.ps tmp/1g08o1317738730.png",intern=TRUE))
character(0)
> try(system("convert tmp/2nev21317738730.ps tmp/2nev21317738730.png",intern=TRUE))
character(0)
> try(system("convert tmp/38rq21317738730.ps tmp/38rq21317738730.png",intern=TRUE))
character(0)
> try(system("convert tmp/4x4qk1317738730.ps tmp/4x4qk1317738730.png",intern=TRUE))
character(0)
> try(system("convert tmp/5haeu1317738730.ps tmp/5haeu1317738730.png",intern=TRUE))
character(0)
> try(system("convert tmp/6ps2o1317738730.ps tmp/6ps2o1317738730.png",intern=TRUE))
character(0)
> try(system("convert tmp/7n8qm1317738730.ps tmp/7n8qm1317738730.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  1.714   0.484   2.338