R version 3.0.1 (2013-05-16) -- "Good Sport"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: i686-pc-linux-gnu (32-bit)

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> x <- c(28.53,28.48,28.68,28.89,29.2,29.21,29.15,29.22,29.34,29.13,28.84,28.76,28.75,28.89,28.82,29.12,29.21,29.3,29.32,29.52,29.64,29.54,29.54,29.34,29.34,29.54,29.94,30.17,30.23,30.34,30.34,30.36,30.3,30.28,29.89,29.58,29.68,29.73,30.07,30.32,30.55,30.62,30.67,30.79,30.8,30.5,30.07,29.41,29.42,29.99,30.14,30.41,30.78,30.88,30.92,30.93,31.62,31.48,31.3,31.11,31.16,31.22,31.66,32.11,32.27,32.36,32.42,32.52,32.41,31.87,31.04,30.58)
> par4 = '12'
> par3 = 'Verkoop Scrabble'
> par2 = 'NBB'
> par1 = 'Verkoop Scrabble'
> ylimmax = ''
> ylimmin = ''
> ylab = 'Gemiddelde prijs per stuk'
> xlab = 'Maanden'
> main = 'Verkoop Scrabble'
> par4 <- '12'
> par3 <- 'Verkoop Scrabble'
> par2 <- 'NBB'
> par1 <- 'Verkoop Scrabble'
> #'GNU S' R Code compiled by R2WASP v. 1.2.291 ()
> #Author: root
> #To cite this work: Wessa P., (2012), Plot of univariate data series (v1.0.4) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_univariatedataseries.wasp/
> #Source of accompanying publication: 
> #
> if (par4 != 'No season') {
+ par4 <- as.numeric(par4)
+ if (par4 < 4) par4 <- 12
+ }
> summary(x)
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
  28.48   29.34   30.10   30.17   30.82   32.52 
> n <- length(x)
> postscript(file="/var/wessaorg/rcomp/tmp/14jcu1379359155.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> if (par4=='No season') {
+ plot(x,col=2,type='b',main=main,xlab=xlab,ylab=ylab,xaxt='n')
+ axis(1,at=seq(1,n,10))
+ }
> if (par4!='No season') {
+ plot(x,col=2,type='b',main=main,xlab=xlab,ylab=ylab,xaxt='n')
+ axis(1,at=seq(1,n,par4))
+ grid(nx=0,ny=NULL,col='black')
+ abline(v=seq(1,n,par4),col='black',lty='dotted')
+ }
> 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,'Univariate Dataseries',2,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'Name of dataseries',header=TRUE)
> a<-table.element(a,par1)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'Source',header=TRUE)
> a<-table.element(a,par2)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'Description',header=TRUE)
> a<-table.element(a,par3)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'Number of observations',header=TRUE)
> a<-table.element(a,length(x))
> a<-table.row.end(a)
> a<-table.end(a)
> table.save(a,file="/var/wessaorg/rcomp/tmp/26ysz1379359155.tab") 
> 
> try(system("convert tmp/14jcu1379359155.ps tmp/14jcu1379359155.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  1.375   0.335   1.676