R version 2.13.0 (2011-04-13)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> x <- c(631.923,654.294,671.833,586.840,600.969,625.568,558.110,630.577,628.654,603.184,656.255,600.730,670.326,678.423,641.502,625.311,628.177,589.767,582.471,636.248,599.885,621.694,637.406,595.994,696.308,674.201,648.861,649.605,672.392,598.396,613.177,638.104,615.632,634.465,638.686,604.243,706.669,677.185,644.328,664.825,605.707,600.136,612.166,599.659,634.210,618.234,613.576,627.200,668.973,651.479,619.661,644.260,579.936,601.752,595.376,588.902,634.341,594.305,606.200,610.926,633.685,639.696,659.451,593.248,606.677,599.434,569.578,629.873,613.438,604.172,658.328,612.633,707.372,739.770,777.535,685.030,730.234,714.154,630.872,719.492,677.023,679.272,718.317,645.672)
> par2 = '12'
> par1 = 'additive'
> par2 <- as.numeric(par2)
> x <- ts(x,freq=par2)
> m <- decompose(x,type=par1)
> m$figure
 [1]  45.461590  40.575667  28.052972   5.678854  -1.806521 -22.463604
 [7] -38.540292  -7.576993  -8.438451 -18.205368   2.614583 -25.352437
> postscript(file="/var/wessaorg/rcomp/tmp/1u2341324324211.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(m)
> dev.off()
null device 
          1 
> mylagmax <- length(x)/2
> postscript(file="/var/wessaorg/rcomp/tmp/247e41324324211.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> op <- par(mfrow = c(2,2))
> acf(as.numeric(x),lag.max = mylagmax,main='Observed')
> acf(as.numeric(m$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/3fk7g1324324211.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/4m9my1324324211.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$trend)) {
+ a<-table.row.start(a)
+ a<-table.element(a,i,header=TRUE)
+ a<-table.element(a,x[i])
+ if (par1 == 'additive') a<-table.element(a,m$trend[i]+m$seasonal[i]) else a<-table.element(a,m$trend[i]*m$seasonal[i])
+ a<-table.element(a,m$trend[i])
+ a<-table.element(a,m$seasonal[i])
+ a<-table.element(a,m$random[i])
+ a<-table.row.end(a)
+ }
> a<-table.end(a)
> table.save(a,file="/var/wessaorg/rcomp/tmp/565qy1324324211.tab") 
> 
> try(system("convert tmp/1u2341324324211.ps tmp/1u2341324324211.png",intern=TRUE))
character(0)
> try(system("convert tmp/247e41324324211.ps tmp/247e41324324211.png",intern=TRUE))
character(0)
> try(system("convert tmp/3fk7g1324324211.ps tmp/3fk7g1324324211.png",intern=TRUE))
character(0)
> try(system("convert tmp/4m9my1324324211.ps tmp/4m9my1324324211.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  1.587   0.297   1.884