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) R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. > x <- c(1220,1250,1350,1380,1310,1350,1360,1230,1330,1330,1380,1340,1220,1230,1400,1320,1320,1380,1340,1220,1310,1280,1330,1350,1240,1260,1340,1270,1330,1440,1350,1220,1310,1350,1300,1410,1260,1210,1410,1240,1360,1420,1310,1360,1260,1410,1330,1400,1240,1280,1460,1250,1340,1440,1170,1420,1250,1390,1260,1390,1290,1310,1540,1250,1320,1430,1080,1370,1290,1380,1260,1400,1250,1290,1550,1200,1320,1500,1060,1220,1260,1270,1280,1350,1320,1350,1530,1150,1270,1460,1000,1290,1330,1180,1350,1300,1350,1350,1540,1180,1280,1520,960,1420,1370,1210,1320,1260) > par2 = '12' > par1 = 'additive' > par2 <- as.numeric(par2) > x <- ts(x,freq=par2) > m <- decompose(x,type=par1) > m$figure [1] -47.2092014 -32.3654514 152.6866319 -85.6467014 0.2907986 [6] 132.2699653 -108.7196181 -27.4175347 -27.6779514 3.6241319 [11] -7.6779514 47.8428819 > postscript(file="/var/wessaorg/rcomp/tmp/1ipse1313413861.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(m) > dev.off() null device 1 > mylagmax <- length(x)/2 > postscript(file="/var/wessaorg/rcomp/tmp/2c7vw1313413861.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > op <- par(mfrow = c(2,2)) > acf(as.numeric(x),lag.max = mylagmax,main='Observed') > acf(as.numeric(m$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/3obs41313413861.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/4uavd1313413861.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/59sry1313413861.tab") > > try(system("convert tmp/1ipse1313413861.ps tmp/1ipse1313413861.png",intern=TRUE)) character(0) > try(system("convert tmp/2c7vw1313413861.ps tmp/2c7vw1313413861.png",intern=TRUE)) character(0) > try(system("convert tmp/3obs41313413861.ps tmp/3obs41313413861.png",intern=TRUE)) character(0) > try(system("convert tmp/4uavd1313413861.ps tmp/4uavd1313413861.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 1.546 0.211 1.766