11-8 - Sawyer Piano House Forecasting 4 seasons Input Data...

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Sawyer Piano House Forecasting Multiplicative decomposition 4 seasons Input Data Seasonal Index Computation Forecast Error analysis Period Error Quarter 1 4 1 1.239 3.227 0.658 0.815 3.185 3.185 10.144 79.62% Quarter 2 2 2 0.596 3.353 1.680 1.002 0.998 0.998 0.996 49.89% Quarter 3 1 3 3.250 0.308 0.485 2.061 2.703 1.311 -0.311 0.311 0.097 31.13% Quarter 4 5 4 3.750 1.333 1.577 3.170 3.725 5.876 -0.876 0.876 0.768 17.53% Quarter 5 6 5 4.375 1.371 1.239 4.841 4.748 5.884 0.116 0.116 0.013 1.93% Quarter 6 4 6 5.875 0.681 0.596 6.706 5.770 3.442 0.558 0.558 0.311 13.95% Quarter 7 4 7 7.500 0.533 0.485 8.244 6.793 3.296 0.704 0.704 0.496 17.60% Quarter 8 14 8 7.875 1.778 1.577 8.875 7.816 12.328 1.672 1.672 2.795 11.94% Quarter 9 10 9 7.875 1.270 1.239 8.069 8.838 10.954 -0.954 0.954 0.910 9.54% Quarter 10 3 10 8.250 0.364 0.596 5.029 9.861 5.882 -2.882 2.882 8.305 96.06% Quarter 11 5 11 8.750 0.571 0.485 10.305 10.883 5.280 -0.280 0.280 0.079 5.61% Quarter 12 16 12 9.750 1.641 1.577 10.143 11.906
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This note was uploaded on 12/10/2011 for the course INSY 4508 taught by Professor Graham during the Spring '10 term at Bentley.

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11-8 - Sawyer Piano House Forecasting 4 seasons Input Data...

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