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MAPE, MAD, and MSD values of two methods_
Multiplicative model | SARIMA (2,0,1)(1,0,1)12 model | |
---|---|---|
MAPE | 3.771 | 18.7363 |
MAD | 4.3675 | 19.9735 |
MSD | 33.3013 | 969.8330 |
Monthly rate averages and seasonal indices_
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Arithmetic mean of ratios | 2.09 | 1.78 | 1.54 | 1.13 | 0.59 | 0.21 | 0.06 | 0.06 | 0.27 | 0.79 | 1.50 | 1.97 | 11.99 |
Seasonal index | 2.09 | 1.78 | 1.54 | 1.13 | 0,59 | 0.21 | 0.06 | 0.06 | 0.27 | 0.79 | 1.50 | 1.97 | 12.00 |
Seasonal index(%) | 209 | 178 | 154 | 113 | 59 | 21 | 6 | 6 | 27 | 79 | 150 | 197 | 1200 |
The actual and forecasted HDD values for 2017_
Months | Actual (kWh) | Forecasted (°C*day) | Forecasted (°C*day) |
---|---|---|---|
2017M01 | 497.52 | 490.2 | 417.986 |
2017M02 | 303.62 | 315.16 | 361.840 |
2017M03 | 248.77 | 251.1 | 308.607 |
2017M04 | 233.89 | 228.96 | 217.635 |
2017M05 | 95.36 | 97.75 | 111.711 |
2017M06 | 14.73 | 16.71 | 32.316 |
2017M07 | 4.98 | 4.95 | 4.335 |
2017M08 | 10.36 | 9.84 | 5.148 |
2017M09 | 78.48 | 75 | 48.420 |
2017M010 | 117.86 | 127.85 | 151.317 |
2017M011 | 321.16 | 313.33 | 294.122 |
2017M012 | 411.22 | 411.29 | 395.733 |
Tentative models generated in this study_
Models | |||
---|---|---|---|
*SARIMA (1,0,1)(1,0,1)12 | SARIMA (1,0,0)(1,1,1)12 | SARIMA (1,1,1)(1,1,0)12 | *SARIMA (1,0,2)(0,1,1)12 |
SARIMA (0,0,1)(1,0,1)12 | *SARIMA (1,0,1)(0,1,1)12 | SARIMA (0,1,0)(1,1,1)12 | SARIMA (1,0,1)(0,1,2)12 |
SARIMA (1,0,0)(1,0,1)12 | SARIMA (1,0,1)(1,1,0)12 | SARIMA (1,1,0)(1,1,0)12 | *SARIMA (0,0,2)(0,1,1)12 |
SARIMA (1,0,1)(0,0,1)12 | SARIMA (1,0,0)(1,1,0)12 | SARIMA (0,1,1)(1,1,0)12 | SARIMA (0,0,1)(0,1,2)12 |
SARIMA (1,0,1)(1,0,0)12 | SARIMA (0,0,1)(1,1,0)12 | *SARIMA (0,1,1)(0,1,1)12 | SARIMA (2,0,0)(0,1,1)12 |
SARIMA (1,0,0)(1,0,0)12 | *SARIMA (0,0,1)(0,1,1)12 | SARIMA (1,1,0)(0,1,1)12 | SARIMA (1,0,0)(0,1,2)12 |
SARIMA (0,0,1)(1,0,0)12 | *SARIMA (1,0,0)(0,1,1)12 | *SARIMA (2,0,1)(1,0,1)12 | SARIMA (2,1,1)(0,1,1)12 |
SARIMA (1,0,0)(0,0,1)12 | SARIMA (1,1,1)(1,1,1)12 | SARIMA (1,0,2)(1,0,1)12 | SARIMA (1,1,2)(0,1,1)12 |
SARIMA (0,0,1)(0,0,1)12 | SARIMA (0,1,1)(1,1,1)12 | SARIMA (1,0,1)(2,0,1)12 | SARIMA (1,1,1)(0,1,2)12 |
SARIMA (1,0,1)(1,1,1)12 | SARIMA (1,1,0)(1,1,1)12 | SARIMA (1,0,1)(1,0,2)12 | SARIMA (0,1,2)(0,1,1)12 |
SARIMA (0,0,1)(1,1,1)12 | *SARIMA (1,1,1)(0,1,1)12 | SARIMA (2,0,1)(0,1,1)12 | SARIMA (0,1,1)(0,1,2)12 |
The selected models in the first step and second step selection criteria_
Model | Adjusted R2 | Residual sum of squares | AIC | SIC | |
---|---|---|---|---|---|
1 | SARIMA (1,0,1)(1,0,1)12 | 0.936654 | 828032.9 | 10.33716 | 10.37759 |
2 | SARIMA (1,0,1)(0,1,1)12 | 0.475825 | 812361.4 | 10.26529 | 10.29820 |
3 | SARIMA (0,0,1)(0,1,1)12 | 0.464422 | 831655.0 | 10.27557 | 10.30026 |
4 | SARIMA (1,0,0)(0,1,1)12 | 0.615053 | 1090103.0 | 10.57437 | 10.59910 |
5 | SARIMA (1,1,1)(0,1,1)12 | 0.721348 | 787551.5 | 10.27085 | 10.30382 |
6 | SARIMA (0,1,1)(0,1,1)12 | 0.715896 | 804533.5 | 10.28096 | 10.30569 |
7 | SARIMA (2,0,1)(1,0,1)12 | 0.936911 | 816848.7 | 10.32561 | 10.37412 |
8 | SARIMA (1,0,2)(0,1,1)12 | 0.487184 | 793205.5 | 10.26017 | 10.30132 |
9 | SARIMA (0,0,2)(0,1,1)12 | 0.467373 | 825461.2 | 10.27325 | 10.30617 |
A part of the HDD data from 1974 to 2017_
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1974 | 434.2 | 385.8 | 327.9 | 248.8 | 128.5 | 24.71 | 4.658 | 2.940 | 30.13 | 150.3 | 297.2 | 398.4 |
1975 | 368.1 | 345.4 | 386.7 | 270.5 | 186.6 | 77.73 | 17.10 | 11.21 | 40.27 | 215.6 | 331.3 | 469.7 |
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2015 | 414.6 | 402.0 | 320.5 | 200.5 | 117.4 | 31.28 | 9.428 | 8.295 | 77.75 | 184.5 | 222.4 | 279.9 |
2016 | 363.3 | 341.3 | 347.9 | 254.1 | 135.3 | 41.40 | 12.62 | 8.048 | 21.08 | 180.9 | 289.1 | 390.3 |
2017 | 486.8 | 321.9 | 256.0 | 236.1 | 109.4 | 24.20 | 6.902 | 10.01 | 71.63 | 113.2 | 300.3 | 400.1 |