R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- c(8.41,8.39,8.43,8.44,8.49,8.47,8.53,8.52,8.51,8.53,8.54,8.53,8.47,8.63,8.67,8.73,8.57,8.55,8.63,8.65,8.44,8.62,8.37,8.59,8.84,8.72,8.8,8.69,8.68,8.57,8.85,8.85,8.85,8.93,8.75,8.78,8.77,9.03,9.01,9.07,8.99,9.02,8.99,8.98,8.94,8.94,8.75,8.86,8.87,8.84,8.84,9.91,10.18,10.34,10.36,10.26,10.16,10.31,10.46,10.54,10.47,10.48,10.46,11.3,11.58,11.69,11.63,11.51,11.37,11.42,11.7,11.75,11.43,11.36,11.3,11.85,11.99,12.07,12.21,12.13,12.3,12.27,12.32,12.38,12.4,12.33,12.25,12.41,12.38,12.58,12.45,12.43,12.38,12.34,11.98,12.24)
> par4 = '12'
> par3 = ''
> par2 = 'belgostat'
> par1 = 'Prijs reep melkchocolade'
> ylimmax = ''
> ylimmin = ''
> ylab = 'Prijs'
> xlab = 'Aantal maanden'
> main = 'Gem. prijs reep melkchocolade'
> par4 <- '12'
> par3 <- ''
> par2 <- 'belgostat'
> par1 <- 'Prijs reep melkchocolade'
> #'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. 
  8.370   8.678   9.015  10.040  11.640  12.580 
> n <- length(x)
> postscript(file="/var/wessaorg/rcomp/tmp/18zf01422275165.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/2nc371422275165.tab") 
> 
> try(system("convert tmp/18zf01422275165.ps tmp/18zf01422275165.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  0.592   0.095   0.690