R version 3.2.2 (2015-08-14) -- "Fire Safety"
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Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- c(91.99,92.17,92.19,92.24,92.19,92.21,92.22,92.14,92.43,92.93,93.01,93.07,93.08,93.11,93.21,93.49,93.48,93.51,93.52,93.49,93.76,94.25,94.42,94.45,94.45,94.53,94.78,95.05,95.21,95.23,95.23,95.34,95.93,96.75,97.15,97.21,97.21,97.35,97.44,97.34,97.44,97.43,97.43,97.47,97.69,98.54,98.64,98.72,98.72,98.73,98.68,98.75,98.73,98.74,98.75,98.85,99.14,99.83,99.93,100,100,100.08,100.25,100.4,100.33,100.29,100.29,100.32,100.82,101.42,101.46,101.55,101.56,101.56,101.6,101.66,101.82,101.94,101.95,101.93,102.26,102.65,102.9,102.94,99.14,99.18,99.23,99.32,99.46,99.5,99.95,100.13,100.43,101.09,101.27,101.29,101.04,101.14,101.11,101.01,101.08,101.06,101.26,101.32,101.4,101.85,102.12,102.15)
> par4 = '12'
> par3 = 'zetprijs index schoeisel'
> par2 = 'nbb'
> par1 = ''
> ylimmax = ''
> ylimmin = ''
> ylab = 'value'
> xlab = 'index or time'
> main = 'Indexcijfer schoeisel'
> par4 <- '12'
> par3 <- 'zetprijs index schoeisel'
> par2 <- 'nbb'
> par1 <- ''
> #'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. 
  91.99   94.98   98.75   98.05  101.10  102.90 
> n <- length(x)
> postscript(file="/var/wessaorg/rcomp/tmp/110mj1443698188.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/28sgh1443698188.tab") 
> 
> try(system("convert tmp/110mj1443698188.ps tmp/110mj1443698188.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  0.526   0.085   0.609