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(18.3,18.6,18.7,20.1,18.9,20.1,19.8,15.9,19.9,19.6,15.6,14.2,13.6,13.9,15,14.1,13.5,15.3,14.7,12.5,16.1,15.9,15.9,15.7,14.7,15.3,18.4,16.8,16.5,19.3,17.1,15.7,19.1,18.6,18.4,17.1,18.3,19.4,22.3,19.4,21.3,20.3,19.3,17.5,19.9,19.6,19.7,18.1,19.1,20.7,22.5,20,20.2,20.4,19.6,18.1,19.3,21,19.9,17.7,19.4,19.3,21.5,20.9,20.8,20.3,21.4,17.4,21.1,22,20.4,19)
> par4 = '12'
> par3 = 'Maandelijkse uitvoer België (31/01/2008-31/12/2013) 2013 = BJ (in miljarden EUR)'
> par2 = 'NBB'
> par1 = 'Uitvoer België (in miljarden EUR)'
> ylimmax = ''
> ylimmin = ''
> ylab = 'Uitvoer (in miljarden EUR)'
> xlab = 'Jaar (01/01/2008-12/12/2013)'
> main = 'Univariate Data'
> if (par4 != 'No season') {
+ par4 <- as.numeric(par4)
+ if (par4 < 4) par4 <- 12
+ }
> summary(x)
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
  12.50   16.40   19.05   18.33   20.02   22.50 
> n <- length(x)
> postscript(file="/var/wessaorg/rcomp/tmp/1d7md1412168553.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/2lfp31412168553.tab") 
> 
> try(system("convert tmp/1d7md1412168553.ps tmp/1d7md1412168553.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  0.602   0.086   0.685