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Data:
24.90 25.06 25.10 24.92 25.46 25.89 25.39 25.38 25.25 24.88 25.00 25.00 24.07 23.60 23.18 23.25 23.04 22.77 22.25 22.41 22.50 22.91 22.88 21.69 21.19 21.56 22.00 22.13 22.27 22.30 21.94 22.40 22.77 22.90 23.03 23.05 22.41 22.26 21.90 22.01 22.62 22.76 23.40 23.63 24.05 23.82 23.71 23.95 23.61 23.98 23.56 23.99 24.33 24.48 24.31 24.38 24.63 25.54 25.75 25.73 25.85 25.78 25.86 26.86 27.36 27.38 26.58 27.65 27.73 27.18 27.32 27.30 26.90 26.70 26.75 26.41 26.29 27.51 27.91 27.70 27.28 28.25 27.62 27.30 25.94 24.99 25.50 24.42 26.58 25.84 26.76 26.74 26.68 25.55 26.40 25.19 23.94 24.20 24.20 23.07 24.07 25.02 24.65 24.68 24.63 24.49 25.05 24.31 23.90 23.68 24.50 25.22 25.48 26.00 26.07 26.06 26.22 26.70 27.20 26.77 26.11 25.43 24.99 25.51 24.00 23.86 22.96 23.41 23.17 24.12 23.87 24.27 24.40 24.16 25.15 25.09 24.60 24.33 24.14 24.36 25.40 26.15 26.77 26.94 26.33 26.24 26.23 25.88 27.00 26.91 27.15 27.78 28.73 28.83 28.68 27.56 27.15 27.41 27.47 28.76 28.47 27.94 27.23 27.01 26.15 26.11 27.20 27.36 27.33 27.43 28.92 29.45 29.01 29.25 29.14 29.64 30.40 30.62 31.25 31.75 31.30 30.70 31.03 31.46 31.28 31.03 30.95 31.17 31.29 31.91 32.10 31.71 31.90 32.02 32.65 33.77 33.51 34.26 34.21 34.13 34.73 34.73 34.57 34.80 33.98 34.40 34.21 34.61 35.25 35.23 35.00 34.52 33.82 34.35 34.81 34.96 36.69 36.42 36.44 37.41 36.40 36.15 35.78 36.95 36.14 36.36 37.31 37.58 38.00 37.23 37.00 37.87 37.70 36.17 36.56 37.70 38.77 39.02 39.88 39.56 38.52 37.20 38.58 39.41 39.08 38.81 38.73 38.70 39.23 39.82 39.97 40.37 39.54 39.21 39.07 39.78 39.40 38.92
Sample Range:
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Seasonal Period
Valutakoersen Eur-Dollar
12
4
6
12
Chart options
R Code
par1 <- as.numeric(par1) (n <- length(x)) (np <- floor(n / par1)) arr <- array(NA,dim=c(par1,np)) j <- 0 k <- 1 for (i in 1:(np*par1)) { j = j + 1 arr[j,k] <- x[i] if (j == par1) { j = 0 k=k+1 } } arr arr.mean <- array(NA,dim=np) arr.sd <- array(NA,dim=np) arr.range <- array(NA,dim=np) for (j in 1:np) { arr.mean[j] <- mean(arr[,j],na.rm=TRUE) arr.sd[j] <- sd(arr[,j],na.rm=TRUE) arr.range[j] <- max(arr[,j],na.rm=TRUE) - min(arr[,j],na.rm=TRUE) } arr.mean arr.sd arr.range (lm1 <- lm(arr.sd~arr.mean)) (lnlm1 <- lm(log(arr.sd)~log(arr.mean))) (lm2 <- lm(arr.range~arr.mean)) bitmap(file='test1.png') plot(arr.mean,arr.sd,main='Standard Deviation-Mean Plot',xlab='mean',ylab='standard deviation') dev.off() bitmap(file='test2.png') plot(arr.mean,arr.range,main='Range-Mean Plot',xlab='mean',ylab='range') dev.off() load(file='createtable') a<-table.start() a<-table.row.start(a) a<-table.element(a,'Standard Deviation-Mean Plot',4,TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'Section',header=TRUE) a<-table.element(a,'Mean',header=TRUE) a<-table.element(a,'Standard Deviation',header=TRUE) a<-table.element(a,'Range',header=TRUE) a<-table.row.end(a) for (j in 1:np) { a<-table.row.start(a) a<-table.element(a,j,header=TRUE) a<-table.element(a,arr.mean[j]) a<-table.element(a,arr.sd[j] ) a<-table.element(a,arr.range[j] ) a<-table.row.end(a) } a<-table.end(a) table.save(a,file='mytable.tab') a<-table.start() a<-table.row.start(a) a<-table.element(a,'Regression: S.E.(k) = alpha + beta * Mean(k)',2,TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'alpha',header=TRUE) a<-table.element(a,lm1$coefficients[[1]]) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'beta',header=TRUE) a<-table.element(a,lm1$coefficients[[2]]) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'S.D.',header=TRUE) a<-table.element(a,summary(lm1)$coefficients[2,2]) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'T-STAT',header=TRUE) a<-table.element(a,summary(lm1)$coefficients[2,3]) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'p-value',header=TRUE) a<-table.element(a,summary(lm1)$coefficients[2,4]) a<-table.row.end(a) a<-table.end(a) table.save(a,file='mytable1.tab') a<-table.start() a<-table.row.start(a) a<-table.element(a,'Regression: ln S.E.(k) = alpha + beta * ln Mean(k)',2,TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'alpha',header=TRUE) a<-table.element(a,lnlm1$coefficients[[1]]) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'beta',header=TRUE) a<-table.element(a,lnlm1$coefficients[[2]]) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'S.D.',header=TRUE) a<-table.element(a,summary(lnlm1)$coefficients[2,2]) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'T-STAT',header=TRUE) a<-table.element(a,summary(lnlm1)$coefficients[2,3]) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'p-value',header=TRUE) a<-table.element(a,summary(lnlm1)$coefficients[2,4]) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,'Lambda',header=TRUE) a<-table.element(a,1-lnlm1$coefficients[[2]]) a<-table.row.end(a) a<-table.end(a) table.save(a,file='mytable2.tab')
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