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(672.1,674.4,676.6,678.7,680.8,682.9,684,684.1,684.1,684.2,685.9,689.2,692.4,695.7,697.2,696.8,696.4,695.9,696.2,697.2,705.2,706.2,707.4,708.7,710,711.3,711.5,710.7,710,709.2,707.9,706.1,704.4,702.7,701.5,700.8,700,699.3,698.8,698.4,696.8,695.1,694.3,693.4,692.4,691,689.7,688.3,686,683.6,682.6,681.9,681,679.9,678.5,677.5,678,679,679.8,681.3,684.2,687,688.4,689.5,691.1,693.3,695.9,698,699.6,701.6,703.5,705.5,708.1,709.6,710.3)
> par1 = '0'
> ylab = 'aantal'
> xlab = 'tijd'
> #'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/1o8zu1234884925.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 (75 obs.);	Bandwidth 'bw' = 4.125

       x               y            
 Min.   :659.7   Min.   :1.745e-05  
 1st Qu.:675.8   1st Qu.:2.779e-03  
 Median :691.8   Median :1.956e-02  
 Mean   :691.8   Mean   :1.557e-02  
 3rd Qu.:707.8   3rd Qu.:2.562e-02  
 Max.   :723.9   Max.   :2.985e-02  
> postscript(file="/var/www/html/rcomp/tmp/27rdy1234884925.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/3vp3t1234884925.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/4w3ua1234884925.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/5esym1234884925.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/6g97c1234884925.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/78shb1234884925.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/8feod1234884925.tab") 
> 
> system("convert tmp/1o8zu1234884925.ps tmp/1o8zu1234884925.png")
> system("convert tmp/27rdy1234884925.ps tmp/27rdy1234884925.png")
> system("convert tmp/3vp3t1234884925.ps tmp/3vp3t1234884925.png")
> system("convert tmp/4w3ua1234884925.ps tmp/4w3ua1234884925.png")
> system("convert tmp/5esym1234884925.ps tmp/5esym1234884925.png")
> system("convert tmp/6g97c1234884925.ps tmp/6g97c1234884925.png")
> system("convert tmp/78shb1234884925.ps tmp/78shb1234884925.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.326   1.102   1.854