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Type 'q()' to quit R. > x <- c(86.5,104.1,110.9,114.5,112.2,96.4,92,102,99.7,102,98.9,87.4,94.4,109.3,116.4,101,105.5,97.8,95.5,113.7,103.7,100.8,113.8,84.6,95.3,110,107.5,107.6,116,96.9,97,108.1,101.9,107.2,110.2,78.7,96.5,115.2,104.7,109.1,108.4,95.5,97.8,115.1,96.2,112,111.8,82.5,100.8,116,116.3,116.6,112.9,100.9,104.1,117.4,103.3,111.6,115,92.6,105.2) > par10 = 'FALSE' > par9 = '1' > par8 = '2' > par7 = '0' > par6 = '0' > par5 = '6' > par4 = '1' > par3 = '0' > par2 = '1' > par1 = '12' > #'GNU S' R Code compiled by R2WASP v. 1.0.44 () > #Author: Prof. Dr. P. Wessa > #To cite this work: AUTHOR(S), (YEAR), YOUR SOFTWARE TITLE (vNUMBER) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > par1 <- as.numeric(par1) #cut off periods > par2 <- as.numeric(par2) #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: sar1 sar2 sma1 0.0153 0.5030 -0.7822 s.e. 0.8621 0.6572 0.8416 sigma^2 estimated as 31.23: log likelihood = -137.28, aic = 282.56 > (forecast <- predict(arima.out,fx)) $pred Time Series: Start = 50 End = 61 Frequency = 1 [1] 114.44900 102.82991 109.47950 109.30387 91.88131 98.15329 114.38874 [8] 98.65619 110.89952 110.97574 85.48637 99.62168 $se Time Series: Start = 50 End = 61 Frequency = 1 [1] 5.589311 5.589311 5.589311 5.589311 5.589311 5.588862 5.739162 5.739162 [9] 5.739162 5.739162 5.739162 5.738712 > (lb <- forecast$pred - 1.96 * forecast$se) Time Series: Start = 50 End = 61 Frequency = 1 [1] 103.49395 91.87486 98.52445 98.34882 80.92626 87.19913 103.13998 [8] 87.40743 99.65076 99.72699 74.23761 88.37380 > (ub <- forecast$pred + 1.96 * forecast$se) Time Series: Start = 50 End = 61 Frequency = 1 [1] 125.40405 113.78496 120.43455 120.25892 102.83636 109.10746 125.63749 [8] 109.90495 122.14828 122.22450 96.73513 110.86955 > if (par2 == 0) { + x <- exp(x) + forecast$pred <- exp(forecast$pred) + lb <- exp(lb) + ub <- exp(ub) + } > if (par2 != 0) { + x <- x^(1/par2) + forecast$pred <- forecast$pred^(1/par2) + lb <- lb^(1/par2) + ub <- ub^(1/par2) + } > (actandfor <- c(x[1:nx], forecast$pred)) [1] 86.50000 104.10000 110.90000 114.50000 112.20000 96.40000 92.00000 [8] 102.00000 99.70000 102.00000 98.90000 87.40000 94.40000 109.30000 [15] 116.40000 101.00000 105.50000 97.80000 95.50000 113.70000 103.70000 [22] 100.80000 113.80000 84.60000 95.30000 110.00000 107.50000 107.60000 [29] 116.00000 96.90000 97.00000 108.10000 101.90000 107.20000 110.20000 [36] 78.70000 96.50000 115.20000 104.70000 109.10000 108.40000 95.50000 [43] 97.80000 115.10000 96.20000 112.00000 111.80000 82.50000 100.80000 [50] 114.44900 102.82991 109.47950 109.30387 91.88131 98.15329 114.38874 [57] 98.65619 110.89952 110.97574 85.48637 99.62168 > (perc.se <- (ub-forecast$pred)/1.96/forecast$pred) Time Series: Start = 50 End = 61 Frequency = 1 [1] 0.04883669 0.05435491 0.05105349 0.05113552 0.06083185 0.05694014 [7] 0.05017244 0.05817336 0.05175101 0.05171546 0.06713540 0.05760505 > postscript(file="/var/www/html/rcomp/tmp/1m7x71197393905.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$pred , lwd=2 , col ='white') > box() > par(opar) > dev.off() null device 1 > prob.dec <- array(NA, dim=fx) > prob.sdec <- array(NA, dim=fx) > prob.ldec <- array(NA, dim=fx) > prob.pval <- array(NA, dim=fx) > perf.pe <- array(0, dim=fx) > perf.mape <- array(0, dim=fx) > perf.se <- array(0, dim=fx) > perf.mse <- array(0, dim=fx) > perf.rmse <- array(0, dim=fx) > for (i in 1:fx) { + locSD <- (ub[i] - forecast$pred[i]) / 1.96 + perf.pe[i] = (x[nx+i] - forecast$pred[i]) / forecast$pred[i] + perf.mape[i] = perf.mape[i] + abs(perf.pe[i]) + perf.se[i] = (x[nx+i] - forecast$pred[i])^2 + perf.mse[i] = perf.mse[i] + perf.se[i] + prob.dec[i] = pnorm((x[nx+i-1] - forecast$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$pred[i]) / locSD) + } > perf.mape = perf.mape / fx > perf.mse = perf.mse / fx > perf.rmse = sqrt(perf.mse) > postscript(file="/var/www/html/rcomp/tmp/2ggud1197393905.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(forecast$pred, pch=19, type='b',main='ARIMA Extrapolation Forecast', ylab='Forecast and 95% CI', xlab='time',ylim=c(min(lb),max(ub))) > dum <- forecast$pred > dum[1:12] <- x[(nx+1):lx] > lines(dum, lty=1) > lines(ub,lty=3) > lines(lb,lty=3) > dev.off() null device 1 > load(file='/var/www/html/rcomp/createtable') > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Univariate ARIMA Extrapolation Forecast',9,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'time',1,header=TRUE) > a<-table.element(a,'Y[t]',1,header=TRUE) > a<-table.element(a,'F[t]',1,header=TRUE) > a<-table.element(a,'95% LB',1,header=TRUE) > a<-table.element(a,'95% UB',1,header=TRUE) > a<-table.element(a,'p-value
(H0: Y[t] = F[t])',1,header=TRUE) > a<-table.element(a,'P(F[t]>Y[t-1])',1,header=TRUE) > a<-table.element(a,'P(F[t]>Y[t-s])',1,header=TRUE) > mylab <- paste('P(F[t]>Y[',nx,sep='') > mylab <- paste(mylab,'])',sep='') > a<-table.element(a,mylab,1,header=TRUE) > a<-table.row.end(a) > for (i in (nx-par5):nx) { + a<-table.row.start(a) + a<-table.element(a,i,header=TRUE) + a<-table.element(a,x[i]) + a<-table.element(a,'-') + a<-table.element(a,'-') + a<-table.element(a,'-') + a<-table.element(a,'-') + a<-table.element(a,'-') + a<-table.element(a,'-') + a<-table.element(a,'-') + a<-table.row.end(a) + } > for (i in 1:fx) { + a<-table.row.start(a) + a<-table.element(a,nx+i,header=TRUE) + a<-table.element(a,round(x[nx+i],4)) + a<-table.element(a,round(forecast$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/3fdao1197393906.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.mape[i],4)) + a<-table.element(a,round(perf.se[i],4)) + a<-table.element(a,round(perf.mse[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/481j51197393906.tab") > > system("convert tmp/1m7x71197393905.ps tmp/1m7x71197393905.png") > system("convert tmp/2ggud1197393905.ps tmp/2ggud1197393905.png") > > > proc.time() user system elapsed 0.970 0.340 1.119