Figure 1 Output of analysis using Linear and EST forecasting for Dow Jones close. 126 125 01-Jul-22 34 514.00 Forecast.linear error error/Yt Forecast.ets error error/Yt 127 126 05-Jul-22 34.677.00 35149.65 472.65 1.36% $0.014 0.01363 223396 34551.32534 125.67 0.36% $0.004 0.00362 15794.1 128 127 06-Jul-22 34.460.00 35186.97 726.97 2.11% $0.021 0.0210961 528490 34588.65068 128.65 0.37% $0.004 0.00373 16551 129 128 07-Jul-22 34,568 00 35224.30 656.30 1.90% $0.019 0.0189857 430728 34625.97602 57.98 0.17% $0.002 0.00168 3361.22 130 129 08-Jul-22 34 294 00 35261.62 967.62 2.82% $0.028 0.0282155 936296 34663.30136 369.30 1.08% $0.011 0.01077 136383 131 130 11-Jul-22 34.751.00 35298.95 547.95 1.58% $0.016 0.0157679 300248 34700.6267 50.37 0.14% $0.001 0.00145 2537.47 132 131 12-Jul-22 34,875.00 35336.27 461.27 1.32% $0.013 0.0132265 212774 34737.95204 137.05 0.39% $0.004 0.00393 18782.1 133 132 13-Jul-22 34,776.00 35373.60 597.60 1.72% $0.017 0.0171843 357126 34775.27738 0.72 0.00% $0.000 0.00002 0.52218 134 133 14-Jul-22 34,876.00 35410.93 594.93 1.71% $0.017 0.0170877 353936 34812.60272 3.40 0.01% $0.000 0.00010 11.5415 135 134 15-Jul-22 34 864.00 35448.25 584.25 1.68% $0.017 0.016758 341349 34849.92806 14.07 0.04% $0.000 0.00040 198.019 136 135 18-Jul-22 34.564.00 35485.58 921.58 2.67% $0.027 0.0266629 849302 34887.2534 323.25 0.94% $0.009 0.00935 104493 137 136 19-Jul-22 33,839.00 35522.90 1683.90 4.98% $0.050 0.0497621 2835523 3492457874 1085.58 3.21% $0.032 0.03208 1178481 138 137 20-Jul-22 34,400.00 35560.23 1160.23 3.37% $0.034 0.0337275 1346126 34961.90408 561.90 1.63% $0.016 0.01633 315736 139 138 21-Jul-22 34.689.00 35597.55 908.55 2.62% $0.026 0.0261914 825467 34999.22942 310.23 0.89% $0.009 0.00894 96242.3 140 139 22-Jul-22 34.709.00 35634.88 925.88 2.67% $0.027 0.0266754 857249 35036.55476 327.55 0.94% $0.009 0.00944 107292; 141 140 25-Jul-22 34,951.00 35672.20 721.20 2.06% $0.021 0.0206347 520133 35073.8801 122.88 0.35% $0.004 . 0.00352 15099.5 142 141 26-Jul-22 35.034.00 35709.53 675.53 1.93% $0.019 0.0192821 456338 35111.20544 77.21 0.22% $0.002 0.00220 5960.68 143 142 27-Jul-22 34 953.00 35746.85 793.85 2.27% $0.023 0.022712 630203 35148.53078 195.53 0.56% $0.006 0.00559 38232.3 144 143 28-Jul-22 34 834 00 35784.18 950.18 2.73% $0.027 0.0272773 902839 35185.85612 351.86 1.01% $0.010 0.01010 123803 145 144 29-Jul-22 34,974.00 35821:50 847.50 2.42% $0.024 0.0242324 718263 35223.18146 249.18 0.71% $0.007 0.00712 62091.4 146 145 30-Jul-22 34.832.00 35858.83 1026.83 2.95% $0.029 0.0294795 1054378 35260.5068 428.51 1.23% $0.012 0.01230 183618; 147 148 MAD 811.24 MAD 246.04 149 150 MAPE 0.023429 MAPE 0.00713 348.1859278 151 RMSE 856.7428172 RMSE After performing the forecast ETS function is was observed that the results predicted for the next 20days for Dow Jones close was similar to the historical data which was already provided as the error/ gap is very much which is clearly observed from the values of MAD, MAPE and RMSE. Moreover the error between the linear forecast result and the historical data
