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Data:
-2.0 2.6 0.2 0.1 -0.1 0.1 -1.6 2.3 -0.3 0.0 0.1 0.4 -1.9 2.4 0.0 0.4 0.1 0.2 -1.3 2.1 -0.1 0.3 0.3 0.2 -1.9 2.7 0.0 -0.2 0.2 0.1 -1.5 2.1 -0.3 -0.2 0.2 0.3 -2.0 2.6 0.0 0.5 -0.1 0.2 -1.6 2.1 -0.2 0.0 0.2 0.2 -2.2 2.7 -0.3 0.4 -0.1 0.0 -1.6 2.2 -0.3 0.0 0.1 0.1 -1.9 2.5 0.1 -0.1 0.3 0.1 -1.9 2.5 -0.3 0.2 0.2 0.1 -2.4 3.1 -0.3 0.2 0.1 0.2 -1.8 2.4 -0.4 0.0 0.0 0.2 -2.4 3.2 0.0 0.1 0.1 0.1 -1.8 2.5 -0.6 0.0 0.0 0.4 -2.5 3.1 0.2 -0.3 0.3 0.4 -1.8 2.6 -0.3 0.3 0.0 0.4 -2.9 3.6 -0.1 0.3 0.0 0.3 -2.1 2.6 -0.2 0.0 -0.2 0.3 -3.1 3.4 -0.1 0.1 0.3 0.1 -2.5 3.1 -0.1 0.1 0.0
Type of Seasonality
additive
additive
multiplicative
Seasonal Period
12
12
1
2
3
4
5
6
7
8
9
10
11
12
Chart options
R Code
par2 <- as.numeric(par2) x <- ts(x,freq=par2) m <- decompose(x,type=par1) m$figure bitmap(file='test1.png') plot(m) dev.off() mylagmax <- length(x)/2 bitmap(file='test2.png') op <- par(mfrow = c(2,2)) acf(as.numeric(x),lag.max = mylagmax,main='Observed') acf(as.numeric(m$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() bitmap(file='test3.png') 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() bitmap(file='test4.png') 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() load(file='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='mytable.tab')
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Big Analytics Cloud Computing Center
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