R version 3.2.2 (2015-08-14) -- "Fire Safety"
Copyright (C) 2015 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- c(-18.5,-17.9,-19.8,-13.1,-16.5,-1.8,-9.3,-14.4,-9,-10.1,-11.7,-9.6,-9.9,0.2,-9.9,-12.4,-10.2,-8.2,-8.7,-5.7,-6.5,-5.7,-7.7,-8.4,-9.4,-13.6,-6.9,-15.6,-17.1,-19.7,-22.1,-25.2,-31.7,-35.7,-48.8,-44.3,-40.6,-43.7,-43,-40.1,-33.9,-28.7,-33.3,-28.4,-15.5,-17.1,-19.9,-16,-14.6,-12.5,-13.3,-16.6,-15.5,-9.3,-8.6,-15.8,-21.4,-21,-13.2,-3.3,-6.9,0.4,1.2,2,-1.2,-4.6,-9.1,-13,-18.2,-13.2,-18.3,-16.4,-12,-13.1,-20,-8.2,-13.8,-17.9,-17,-16.8,-23.3,-27.9,-22.2,-19.1,-16.6,-4.2,-20.8,-20.3,-19.4,-6.4,-15.2,-11,-1.3,-10.2,-1.3,-3.1,2.8,4.4,3.7,-3.9,-9,-11.1,-9.3,-12.4,-9.3,-7.5,-4.4,-1.4)
> par4 = '12'
> par3 = 'Conjunctuurenquetes textielnijverheid'
> par2 = 'NBB'
> par1 = 'Textielnijverheid'
> ylimmax = ''
> ylimmin = ''
> ylab = 'aantal enquetes'
> xlab = 'maand'
> main = 'Conjunctuurenquetes textielnijverheid'
> if (par4 != 'No season') {
+ par4 <- as.numeric(par4)
+ if (par4 < 4) par4 <- 12
+ }
> summary(x)
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
 -48.80  -18.65  -13.10  -14.41   -8.20    4.40 
> n <- length(x)
> postscript(file="/var/wessaorg/rcomp/tmp/1z28o1443600806.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/2nbkj1443600806.tab") 
> 
> try(system("convert tmp/1z28o1443600806.ps tmp/1z28o1443600806.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  0.522   0.085   0.604