R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- c(29312,29336,29357,29380,29402,29426,29448,29471,29495,29517,29540,29563,29586,29609,29631,29654,29677,29700,29723,29746,29769,29792,29815,29837,29861,29884,29905,29928,29951,29974,29996,30020,30043,30065,30089,30111,30134,30158,30179,30202,30224,30248,30270,30293,30317,30339,30362,30385,30408,30431,30452,30476,30498,30521,30544,30567,30590,30613,30636,30659,30682,30705,30727,30750,30773,30796,30818,30842,30865,30887,30911,30933,30956,30980,31001,31024,31046,31070,31092,31115,31139,31161,31184,31207,31230,31253,31274,31298,31320,31343,31366,31389,31412,31435,31458,31481,31504,31527,31548,31571,31594,31617,31640,31663,31686,31709,31732,31754)
> par4 = '12'
> par3 = 'Het aantal bezoekers van het Electricity Museum per maand'
> par2 = 'niet gekend'
> par1 = 'Aantal bezoekers Electricity Museum'
> ylimmax = ''
> ylimmin = ''
> ylab = 'Aantal bezoekers'
> xlab = 'Tijd (maand)'
> main = 'Bezoekers Electricity Museum'
> par4 <- '12'
> par3 <- 'Het aantal bezoekers van het Electricity Museum per maand'
> par2 <- 'niet gekend'
> par1 <- 'Aantal bezoekers Electricity Museum'
> #'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. 
  29310   29920   30530   30530   31140   31750 
> n <- length(x)
> postscript(file="/var/wessaorg/rcomp/tmp/1v1521471080908.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/22zi31471080908.tab") 
> 
> try(system("convert tmp/1v1521471080908.ps tmp/1v1521471080908.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  0.585   0.058   0.655