R version 3.1.0 (2014-04-10) -- "Spring Dance"
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> x <- c(74.74,74.80,74.46,74.03,74.45,74.74,74.74,74.78,74.25,74.14,74.41,74.51,74.51,74.64,74.52,74.51,74.39,74.11,74.11,74.20,73.84,73.89,74.31,73.56,73.56,73.99,73.63,73.51,73.60,73.03,73.03,72.61,72.30,72.56,72.76,72.92,72.92,72.93,73.13,73.31,73.34,74.31,74.31,74.65,74.78,74.73,74.71,74.63,74.63,74.95,75.17,75.49,74.54,75.59,75.59,76.06,76.06,76.39,76.39,76.93,76.93,77.39,77.65,78.04,77.66,77.31,77.31,77.33,78.01,78.31,78.61,78.94,78.94,79.84,78.76,78.62,78.36,78.53,78.53,78.76,78.76,79.37,79.83,79.89)
> par2 = '12'
> par1 = 'additive'
> par2 <- '12'
> par1 <- 'additive'
> #'GNU S' R Code compiled by R2WASP v. 1.2.327 ()
> #Author: root
> #To cite this work: Wessa P., (2013), Classical Decomposition (v1.0.4) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_decompose.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #
> par2 <- as.numeric(par2)
> x <- ts(x,freq=par2)
> m <- decompose(x,type=par1)
> m$figure
 [1] -0.01002315  0.31101852  0.10539352  0.14108796 -0.19787037 -0.10787037
 [7] -0.05412037 -0.02828704 -0.15814815 -0.08988426  0.04608796  0.04261574
> postscript(file="/var/wessaorg/rcomp/tmp/19dlv1400076043.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(m)
> dev.off()
null device 
          1 
> mylagmax <- length(x)/2
> postscript(file="/var/wessaorg/rcomp/tmp/2h2bq1400076043.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> op <- par(mfrow = c(2,2))
> acf(as.numeric(x),lag.max = mylagmax,main='Observed')
> acf(as.numeric(m$trend),na.action=na.pass,lag.max = mylagmax,main='Trend')
> acf(as.numeric(m$seasonal),na.action=na.pass,lag.max = mylagmax,main='Seasonal')
> acf(as.numeric(m$random),na.action=na.pass,lag.max = mylagmax,main='Random')
> par(op)
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/3hfwl1400076043.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> op <- par(mfrow = c(2,2))
> spectrum(as.numeric(x),main='Observed')
> spectrum(as.numeric(m$trend[!is.na(m$trend)]),main='Trend')
> spectrum(as.numeric(m$seasonal[!is.na(m$seasonal)]),main='Seasonal')
> spectrum(as.numeric(m$random[!is.na(m$random)]),main='Random')
> par(op)
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/4u9kx1400076043.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> op <- par(mfrow = c(2,2))
> cpgram(as.numeric(x),main='Observed')
> cpgram(as.numeric(m$trend[!is.na(m$trend)]),main='Trend')
> cpgram(as.numeric(m$seasonal[!is.na(m$seasonal)]),main='Seasonal')
> cpgram(as.numeric(m$random[!is.na(m$random)]),main='Random')
> par(op)
> dev.off()
null device 
          1 
> 
> #Note: the /var/wessaorg/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/wessaorg/rcomp/createtable")
> 
> a<-table.start()
> a<-table.row.start(a)
> a<-table.element(a,'Classical Decomposition by Moving Averages',6,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'t',header=TRUE)
> a<-table.element(a,'Observations',header=TRUE)
> a<-table.element(a,'Fit',header=TRUE)
> a<-table.element(a,'Trend',header=TRUE)
> a<-table.element(a,'Seasonal',header=TRUE)
> a<-table.element(a,'Random',header=TRUE)
> a<-table.row.end(a)
> for (i in 1:length(m$trend)) {
+ a<-table.row.start(a)
+ a<-table.element(a,i,header=TRUE)
+ a<-table.element(a,x[i])
+ if (par1 == 'additive') a<-table.element(a,signif(m$trend[i]+m$seasonal[i],6)) else a<-table.element(a,signif(m$trend[i]*m$seasonal[i],6))
+ a<-table.element(a,signif(m$trend[i],6))
+ a<-table.element(a,signif(m$seasonal[i],6))
+ a<-table.element(a,signif(m$random[i],6))
+ a<-table.row.end(a)
+ }
> a<-table.end(a)
> table.save(a,file="/var/wessaorg/rcomp/tmp/5hbxk1400076043.tab") 
> 
> try(system("convert tmp/19dlv1400076043.ps tmp/19dlv1400076043.png",intern=TRUE))
character(0)
> try(system("convert tmp/2h2bq1400076043.ps tmp/2h2bq1400076043.png",intern=TRUE))
character(0)
> try(system("convert tmp/3hfwl1400076043.ps tmp/3hfwl1400076043.png",intern=TRUE))
character(0)
> try(system("convert tmp/4u9kx1400076043.ps tmp/4u9kx1400076043.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.192   0.385   2.595