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Type 'q()' to quit R. > x <- c(83.87 + ,84.23 + ,84.61 + ,84.82 + ,85.04 + ,85.06 + ,84.93 + ,84.98 + ,85.23 + ,85.30 + ,85.33 + ,85.55 + ,85.70 + ,85.88 + ,86.04 + ,86.07 + ,86.31 + ,86.38 + ,86.35 + ,86.55 + ,86.70 + ,86.74 + ,86.85 + ,86.95 + ,86.80 + ,87.01 + ,87.17 + ,87.43 + ,87.66 + ,87.68 + ,87.59 + ,87.65 + ,87.72 + ,87.70 + ,87.71 + ,87.80 + ,87.62 + ,87.84 + ,88.17 + ,88.47 + ,88.58 + ,88.57 + ,88.55 + ,88.68 + ,88.79 + ,88.85 + ,88.95 + ,89.27 + ,89.09 + ,89.42 + ,89.72 + ,89.85 + ,89.96 + ,90.25 + ,90.20 + ,90.27 + ,90.78 + ,90.79 + ,90.98 + ,91.25 + ,90.75 + ,91.01 + ,91.50 + ,92.09 + ,92.56 + ,92.66 + ,92.38 + ,92.38 + ,92.66 + ,92.69 + ,92.59 + ,92.98 + ,92.98 + ,93.15 + ,93.65 + ,94.06 + ,94.24 + ,94.24 + ,94.11 + ,94.16 + ,94.43 + ,94.67 + ,94.60 + ,95.00 + ,94.84 + ,95.26 + ,95.81 + ,95.92 + ,95.85 + ,95.90 + ,95.80 + ,96.00 + ,96.34 + ,96.43 + ,96.48 + ,96.75 + ,96.51 + ,96.69 + ,97.28 + ,97.69 + ,98.08 + ,98.09 + ,97.92 + ,98.06 + ,98.23 + ,98.57 + ,98.53 + ,98.92 + ,98.42 + ,98.73 + ,99.32 + ,99.73 + ,100.00 + ,100.08 + ,100.02 + ,100.26 + ,100.71 + ,100.95 + ,100.75 + ,101.03 + ,100.64 + ,100.93 + ,101.41 + ,102.07 + ,102.42 + ,102.53 + ,102.43 + ,102.60 + ,102.65 + ,102.74 + ,102.82 + ,103.21 + ,102.75 + ,103.09 + ,103.71 + ,104.30 + ,104.58 + ,104.71 + ,104.44 + ,104.57 + ,104.95 + ,105.49 + ,106.03 + ,106.48 + ,106.25 + ,106.70 + ,107.60 + ,108.05 + ,108.72 + ,109.17 + ,109.08 + ,109.04 + ,109.34 + ,109.37 + ,108.96 + ,108.77 + ,108.11 + ,108.67 + ,109.05 + ,109.43 + ,109.62 + ,109.85 + ,109.34 + ,109.65 + ,109.69 + ,109.91 + ,110.09) > par10 = 'FALSE' > par9 = '1' > par8 = '0' > par7 = '1' > par6 = '0' > par5 = '12' > par4 = '1' > par3 = '1' > par2 = '-2.0' > par1 = '12' > par1 <- as.numeric(par1) #cut off periods > par2 <- as.numeric(-3) #lambda > par3 <- as.numeric(par3) #degree of non-seasonal differencing > par4 <- as.numeric(par4) #degree of seasonal differencing > par5 <- as.numeric(par5) #seasonal period > par6 <- as.numeric(par6) #p > par7 <- as.numeric(par7) #q > par8 <- as.numeric(par8) #P > par9 <- as.numeric(par9) #Q > if (par10 == 'TRUE') par10 <- TRUE > if (par10 == 'FALSE') par10 <- FALSE > if (par2 == 0) x <- log(x) > if (par2 != 0) x <- x^par2 > lx <- length(x) > first <- lx - 2*par1 > nx <- lx - par1 > nx1 <- nx + 1 > fx <- lx - nx > if (fx < 1) { + fx <- par5 + nx1 <- lx + fx - 1 + first <- lx - 2*fx + } > first <- 1 > if (fx < 3) fx <- round(lx/10,0) > (arima.out <- arima(x[1:nx], order=c(par6,par3,par7), seasonal=list(order=c(par8,par4,par9), period=par5), include.mean=par10, method='ML')) Call: arima(x = x[1:nx], order = c(par6, par3, par7), seasonal = list(order = c(par8, par4, par9), period = par5), include.mean = par10, method = "ML") Coefficients: ma1 sma1 0.1956 -0.9772 s.e. 0.0937 0.4819 sigma^2 estimated as 2.427e-17: log likelihood = 2500.99, aic = -4995.98 > (forecast <- predict(arima.out,par1)) $pred Time Series: Start = 156 End = 167 Frequency = 1 [1] 7.641141e-07 7.721580e-07 7.608622e-07 7.439469e-07 7.314326e-07 [6] 7.219094e-07 7.185870e-07 7.228610e-07 7.187262e-07 7.092494e-07 [11] 7.049311e-07 7.037502e-07 $se Time Series: Start = 156 End = 167 Frequency = 1 [1] 5.074823e-09 7.909774e-09 9.958384e-09 1.165222e-08 1.312933e-08 [6] 1.445628e-08 1.567128e-08 1.679863e-08 1.785494e-08 1.885215e-08 [11] 1.979920e-08 2.070298e-08 > (lb <- forecast$pred - 1.96 * forecast$se) Time Series: Start = 156 End = 167 Frequency = 1 [1] 7.541675e-07 7.566548e-07 7.413437e-07 7.211086e-07 7.056992e-07 [6] 6.935751e-07 6.878713e-07 6.899357e-07 6.837305e-07 6.722992e-07 [11] 6.661246e-07 6.631723e-07 > (ub <- forecast$pred + 1.96 * forecast$se) Time Series: Start = 156 End = 167 Frequency = 1 [1] 7.740608e-07 7.876611e-07 7.803806e-07 7.667853e-07 7.571661e-07 [6] 7.502437e-07 7.493027e-07 7.557863e-07 7.537219e-07 7.461996e-07 [11] 7.437375e-07 7.443280e-07 > if (par2 == 0) { + x <- exp(x) + forecast$pred <- exp(forecast$pred) + lb <- exp(lb) + ub <- exp(ub) + } > if (par2 != 0) { + x <- x^(1/par2) + forecast$pred <- forecast$pred^(1/par2) + lb <- lb^(1/par2) + ub <- ub^(1/par2) + } > if (par2 < 0) { + olb <- lb + lb <- ub + ub <- olb + } > (actandfor <- c(x[1:nx], forecast$pred)) [1] 83.8700 84.2300 84.6100 84.8200 85.0400 85.0600 84.9300 84.9800 [9] 85.2300 85.3000 85.3300 85.5500 85.7000 85.8800 86.0400 86.0700 [17] 86.3100 86.3800 86.3500 86.5500 86.7000 86.7400 86.8500 86.9500 [25] 86.8000 87.0100 87.1700 87.4300 87.6600 87.6800 87.5900 87.6500 [33] 87.7200 87.7000 87.7100 87.8000 87.6200 87.8400 88.1700 88.4700 [41] 88.5800 88.5700 88.5500 88.6800 88.7900 88.8500 88.9500 89.2700 [49] 89.0900 89.4200 89.7200 89.8500 89.9600 90.2500 90.2000 90.2700 [57] 90.7800 90.7900 90.9800 91.2500 90.7500 91.0100 91.5000 92.0900 [65] 92.5600 92.6600 92.3800 92.3800 92.6600 92.6900 92.5900 92.9800 [73] 92.9800 93.1500 93.6500 94.0600 94.2400 94.2400 94.1100 94.1600 [81] 94.4300 94.6700 94.6000 95.0000 94.8400 95.2600 95.8100 95.9200 [89] 95.8500 95.9000 95.8000 96.0000 96.3400 96.4300 96.4800 96.7500 [97] 96.5100 96.6900 97.2800 97.6900 98.0800 98.0900 97.9200 98.0600 [105] 98.2300 98.5700 98.5300 98.9200 98.4200 98.7300 99.3200 99.7300 [113] 100.0000 100.0800 100.0200 100.2600 100.7100 100.9500 100.7500 101.0300 [121] 100.6400 100.9300 101.4100 102.0700 102.4200 102.5300 102.4300 102.6000 [129] 102.6500 102.7400 102.8200 103.2100 102.7500 103.0900 103.7100 104.3000 [137] 104.5800 104.7100 104.4400 104.5700 104.9500 105.4900 106.0300 106.4800 [145] 106.2500 106.7000 107.6000 108.0500 108.7200 109.1700 109.0800 109.0400 [153] 109.3400 109.3700 108.9600 109.3824 109.0012 109.5380 110.3619 110.9878 [161] 111.4737 111.6452 111.4248 111.6380 112.1331 112.3616 112.4244 > (perc.se <- (ub-forecast$pred)/1.96/forecast$pred) Time Series: Start = 156 End = 167 Frequency = 1 [1] 0.002233224 0.003461005 0.004438896 0.005330371 0.006127679 0.006855193 [7] 0.007483784 0.007990247 0.008560237 0.009180906 0.009721255 0.010200725 > postscript(file="/var/www/html/rcomp/tmp/1byw21262014705.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > opar <- par(mar=c(4,4,2,2),las=1) > ylim <- c( min(x[first:nx],lb), max(x[first:nx],ub)) > plot(x,ylim=ylim,type='n',xlim=c(first,lx)) > usr <- par('usr') > rect(usr[1],usr[3],nx+1,usr[4],border=NA,col='lemonchiffon') > rect(nx1,usr[3],usr[2],usr[4],border=NA,col='lavender') > abline(h= (-3:3)*2 , col ='gray', lty =3) > polygon( c(nx1:lx,lx:nx1), c(lb,rev(ub)), col = 'orange', lty=2,border=NA) > lines(nx1:lx, lb , lty=2) > lines(nx1:lx, ub , lty=2) > lines(x, lwd=2) > lines(nx1:lx, forecast$pred , lwd=2 , col ='white') > box() > par(opar) > dev.off() null device 1 > prob.dec <- array(NA, dim=fx) > prob.sdec <- array(NA, dim=fx) > prob.ldec <- array(NA, dim=fx) > prob.pval <- array(NA, dim=fx) > perf.pe <- array(0, dim=fx) > perf.mape <- array(0, dim=fx) > perf.mape1 <- array(0, dim=fx) > perf.se <- array(0, dim=fx) > perf.mse <- array(0, dim=fx) > perf.mse1 <- array(0, dim=fx) > perf.rmse <- array(0, dim=fx) > for (i in 1:fx) { + locSD <- (ub[i] - forecast$pred[i]) / 1.96 + perf.pe[i] = (x[nx+i] - forecast$pred[i]) / forecast$pred[i] + perf.se[i] = (x[nx+i] - forecast$pred[i])^2 + prob.dec[i] = pnorm((x[nx+i-1] - forecast$pred[i]) / locSD) + prob.sdec[i] = pnorm((x[nx+i-par5] - forecast$pred[i]) / locSD) + prob.ldec[i] = pnorm((x[nx] - forecast$pred[i]) / locSD) + prob.pval[i] = pnorm(abs(x[nx+i] - forecast$pred[i]) / locSD) + } > perf.mape[1] = abs(perf.pe[1]) > perf.mse[1] = abs(perf.se[1]) > for (i in 2:fx) { + perf.mape[i] = perf.mape[i-1] + abs(perf.pe[i]) + perf.mape1[i] = perf.mape[i] / i + perf.mse[i] = perf.mse[i-1] + perf.se[i] + perf.mse1[i] = perf.mse[i] / i + } > perf.rmse = sqrt(perf.mse1) > postscript(file="/var/www/html/rcomp/tmp/2hbp41262014705.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(forecast$pred, pch=19, type='b',main='ARIMA Extrapolation Forecast', ylab='Forecast and 95% CI', xlab='time',ylim=c(min(lb),max(ub))) > dum <- forecast$pred > dum[1:par1] <- x[(nx+1):lx] > lines(dum, lty=1) > lines(ub,lty=3) > lines(lb,lty=3) > dev.off() null device 1 > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Univariate ARIMA Extrapolation Forecast',9,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'time',1,header=TRUE) > a<-table.element(a,'Y[t]',1,header=TRUE) > a<-table.element(a,'F[t]',1,header=TRUE) > a<-table.element(a,'95% LB',1,header=TRUE) > a<-table.element(a,'95% UB',1,header=TRUE) > a<-table.element(a,'p-value
(H0: Y[t] = F[t])',1,header=TRUE) > a<-table.element(a,'P(F[t]>Y[t-1])',1,header=TRUE) > a<-table.element(a,'P(F[t]>Y[t-s])',1,header=TRUE) > mylab <- paste('P(F[t]>Y[',nx,sep='') > mylab <- paste(mylab,'])',sep='') > a<-table.element(a,mylab,1,header=TRUE) > a<-table.row.end(a) > for (i in (nx-par5):nx) { + a<-table.row.start(a) + a<-table.element(a,i,header=TRUE) + a<-table.element(a,x[i]) + a<-table.element(a,'-') + a<-table.element(a,'-') + a<-table.element(a,'-') + a<-table.element(a,'-') + a<-table.element(a,'-') + a<-table.element(a,'-') + a<-table.element(a,'-') + a<-table.row.end(a) + } > for (i in 1:fx) { + a<-table.row.start(a) + a<-table.element(a,nx+i,header=TRUE) + a<-table.element(a,round(x[nx+i],4)) + a<-table.element(a,round(forecast$pred[i],4)) + a<-table.element(a,round(lb[i],4)) + a<-table.element(a,round(ub[i],4)) + a<-table.element(a,round((1-prob.pval[i]),4)) + a<-table.element(a,round((1-prob.dec[i]),4)) + a<-table.element(a,round((1-prob.sdec[i]),4)) + a<-table.element(a,round((1-prob.ldec[i]),4)) + a<-table.row.end(a) + } > a<-table.end(a) > table.save(a,file="/var/www/html/rcomp/tmp/3y5oi1262014705.tab") > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Univariate ARIMA Extrapolation Forecast Performance',7,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'time',1,header=TRUE) > a<-table.element(a,'% S.E.',1,header=TRUE) > a<-table.element(a,'PE',1,header=TRUE) > a<-table.element(a,'MAPE',1,header=TRUE) > a<-table.element(a,'Sq.E',1,header=TRUE) > a<-table.element(a,'MSE',1,header=TRUE) > a<-table.element(a,'RMSE',1,header=TRUE) > a<-table.row.end(a) > for (i in 1:fx) { + a<-table.row.start(a) + a<-table.element(a,nx+i,header=TRUE) + a<-table.element(a,round(perc.se[i],4)) + a<-table.element(a,round(perf.pe[i],4)) + a<-table.element(a,round(perf.mape1[i],4)) + a<-table.element(a,round(perf.se[i],4)) + a<-table.element(a,round(perf.mse1[i],4)) + a<-table.element(a,round(perf.rmse[i],4)) + a<-table.row.end(a) + } > a<-table.end(a) > table.save(a,file="/var/www/html/rcomp/tmp/4ngha1262014705.tab") > > try(system("convert tmp/1byw21262014705.ps tmp/1byw21262014705.png",intern=TRUE)) character(0) > try(system("convert tmp/2hbp41262014705.ps tmp/2hbp41262014705.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 0.817 0.318 1.586