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Type 'q()' to quit R. > x <- c(733.6,844.9,864.3,833.5,814.9,820.4,710.8,773.1,801.2,832.9,808.3,817.2,745.5,932.6,1057.0,879.9,1089.5,903.0,846.1,959.1,952.0,1092.5,1188.9,996.7,1034.3,898.2,1111.6,900.5,1049.2,1010.9,875.9,849.9,713.4,918.6,912.5,767.0,902.2,891.9,874.0,930.9,944.2,935.9,937.1,885.1,892.4,987.3,946.3,799.6,875.4,846.2,880.6,885.7,868.9,882.5,789.6,773.3,804.3,817.8,836.7,721.8) > par10 = 'FALSE' > par9 = '1' > par8 = '2' > par7 = '2' > par6 = '3' > par5 = '12' > par4 = '0' > 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: ar1 ar2 ar3 ma1 ma2 sar1 sar2 sma1 -0.0441 0.4243 0.5788 0.5130 0.3259 1.1529 -0.1663 -0.8950 s.e. 0.3791 0.3139 0.2160 0.4018 0.3218 0.2830 0.2754 0.2517 sigma^2 estimated as 6532: log likelihood = -284.93, aic = 587.86 Warning message: In arima(x[1:nx], order = c(par6, par3, par7), seasonal = list(order = c(par8, : possible convergence problem: optim gave code=1 > (forecast <- predict(arima.out,fx)) $pred Time Series: Start = 49 End = 60 Frequency = 1 [1] 870.5629 851.4231 894.3556 869.2142 893.8536 874.6828 833.9841 828.3465 [9] 821.0392 887.1895 879.4032 796.0574 $se Time Series: Start = 49 End = 60 Frequency = 1 [1] 83.16880 91.63495 109.44797 125.24629 132.89933 144.97710 153.66188 [8] 160.80673 169.12671 175.40623 181.55368 187.61369 > (lb <- forecast$pred - 1.96 * forecast$se) Time Series: Start = 49 End = 60 Frequency = 1 [1] 707.5521 671.8186 679.8375 623.7315 633.3709 590.5276 532.8068 513.1653 [9] 489.5508 543.3933 523.5580 428.3345 > (ub <- forecast$pred + 1.96 * forecast$se) Time Series: Start = 49 End = 60 Frequency = 1 [1] 1033.574 1031.028 1108.874 1114.697 1154.336 1158.838 1135.161 1143.528 [9] 1152.528 1230.986 1235.248 1163.780 > if (par2 == 0) { + x <- exp(x) + forecast$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] 733.6000 844.9000 864.3000 833.5000 814.9000 820.4000 710.8000 [8] 773.1000 801.2000 832.9000 808.3000 817.2000 745.5000 932.6000 [15] 1057.0000 879.9000 1089.5000 903.0000 846.1000 959.1000 952.0000 [22] 1092.5000 1188.9000 996.7000 1034.3000 898.2000 1111.6000 900.5000 [29] 1049.2000 1010.9000 875.9000 849.9000 713.4000 918.6000 912.5000 [36] 767.0000 902.2000 891.9000 874.0000 930.9000 944.2000 935.9000 [43] 937.1000 885.1000 892.4000 987.3000 946.3000 799.6000 870.5629 [50] 851.4231 894.3556 869.2142 893.8536 874.6828 833.9841 828.3465 [57] 821.0392 887.1895 879.4032 796.0574 > (perc.se <- (ub-forecast$pred)/1.96/forecast$pred) Time Series: Start = 49 End = 60 Frequency = 1 [1] 0.0955345 0.1076256 0.1223764 0.1440914 0.1486813 0.1657482 0.1842504 [8] 0.1941298 0.2059910 0.1977100 0.2064510 0.2356786 > postscript(file="/var/www/html/rcomp/tmp/1zqd91197450952.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$pred[i]) / locSD) + } > perf.mape = perf.mape / fx > perf.mse = perf.mse / fx > perf.rmse = sqrt(perf.mse) > postscript(file="/var/www/html/rcomp/tmp/229g71197450952.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(forecast$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/3rutl1197450952.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/4cpoa1197450952.tab") > > system("convert tmp/1zqd91197450952.ps tmp/1zqd91197450952.png") > system("convert tmp/229g71197450952.ps tmp/229g71197450952.png") > > > proc.time() user system elapsed 5.035 0.972 14.749