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Dados Média Corrida Período Demanda 1 35.0 2 49.0 3 81.0 4 43.0 5 65.0 6 88.0 7 52.0 8 71.0 Primeiro quadrimestre adiante 9 100.0 t da regressão 10 57.0 1 2 3 4 5 6 7 8 9 10 11 12 11 84.0 a b S(to) R(to) F1(to-P) F2(to-P) F3(to-P) Sp(t) 12 121.0 Estimativa média corrida Erro Erro absoluto Erro quadrático 39.6 4.8 96.7 4.8 0.72 0.96 1.32 44.3 49.1 53.9 58.6 63.4 68.1 72.9 77.6 82.4 87.1 91.9 96.7 13 80.0 73.3 -6.7 6.7 45.1 51.5 3.5 93.5 3.5 0.95 1.32 0.74 55.0 58.5 62.0 65.5 69.0 72.5 76.0 79.5 83.0 86.5 90.0 93.5 14 102.3 91.9 -10.4 10.4 107.5 56.3 3.4 97.6 3.4 1.30 0.73 0.98 59.8 63.2 66.7 70.1 73.5 77.0 80.4 83.8 87.3 90.7 94.2 97.6 15 145.9 131.0 -14.9 14.9 220.8 44.3 6.1 117.8 6.1 0.76 0.98 1.27 50.4 56.5 62.7 68.8 74.9 81.0 87.2 93.3 99.4 105.5 111.7 117.8 16 83.6 93.6 10.0 10.0 100.1 59.9 4.2 110.8 4.2 0.97 1.29 0.74 64.2 68.4 72.6 76.9 81.1 85.4 89.6 93.8 98.1 102.3 106.6 110.8 17 116.0 111.4 -4.6 4.6 21.0 63.7 4.3 115.5 4.3 1.30 0.74 0.97 68.0 72.3 76.6 80.9 85.3 89.6 93.9 98.2 102.5 106.8 111.2 115.5 18 164.7 155.2 -9.5 9.5 89.6 52.9 7.0 136.4 7.0 0.76 0.96 1.28 59.9 66.8 73.8 80.7 87.7 94.6 101.6 108.6 115.5 122.5 129.4 136.4 19 90.0 109.1 19.1 19.1 363.7 71.8 4.5 126.3 4.5 0.96 1.31 0.73 76.3 80.8 85.4 89.9 94.5 99.0 103.6 108.1 112.6 117.2 121.7 126.3 20 134.0 125.7 -8.3 8.3 69.6 77.8 4.4 130.9 4.4 1.29 0.73 0.98 82.2 86.6 91.1 95.5 99.9 104.3 108.8 113.2 117.6 122.0 126.5 130.9 21 190.0 175.0 -15.0 15.0 223.8 66.4 7.3 154.4 7.3 0.74 0.97 1.29 73.7 81.0 88.4 95.7 103.0 110.4 117.7 125.0 132.4 139.7 147.1 154.4 22 100.0 119.8 19.8 19.8 393.4 90.3 4.2 140.7 4.2 0.96 1.31 0.73 94.5 98.7 102.9 107.1 111.3 115.5 119.7 123.9 128.1 132.3 136.5 140.7 23 143.0 138.6 -4.4 4.4 19.2 98.8 3.7 142.6 3.7 1.30 0.72 0.98 102.5 106.1 109.8 113.4 117.1 120.7 124.4 128.0 131.7 135.3 139.0 142.6 24 200.0 190.0 -10.0 10.0 99.9 86.5 6.6 165.2 6.6 0.73 0.97 1.30 93.0 99.6 106.2 112.7 119.3 125.8 132.4 139.0 145.5 152.1 158.6 165.2 EM EAM EQM TS Médias -2.90 11.05 146.15 -3.15 N 12 Suavização exponencial alfa 0.20 beta 0.20 gama 0.20 Período Demanda Estimativa exponencial S(to) R(to) F1(to-P) F2(to-P) F3(to-P) Erro Erro absoluto Erro quadrático 12 96.7 4.8 0.72 0.96 1.32 13 80.0 73.3 103.3 5.1 0.73 0.96 1.32 -6.7 6.7 45.1 14 102.3 104.4 108.0 5.0 0.73 0.96 1.32 2.1 2.1 4.4 15 145.9 148.6 112.6 5.0 0.73 0.96 1.31 2.7 2.7 7.5 16 83.6 86.2 116.8 4.8 0.73 0.96 1.31 2.6 2.6 6.6 17 116.0 116.8 121.5 4.8 0.73 0.96 1.31 0.8 0.8 0.6 18 164.7 165.6 126.1 4.8 0.73 0.96 1.31 0.9 0.9 0.8 19 90.0 95.5 129.4 4.5 0.72 0.96 1.31 5.5 5.5 30.2 20 134.0 128.3 135.0 4.7 0.72 0.97 1.31 -5.7 5.7 31.9 21 190.0 183.1 140.8 4.9 0.72 0.97 1.32 -6.9 6.9 48.0 22 100.0 105.3 144.2 4.6 0.72 0.97 1.32 5.3 5.3 27.9 23 143.0 143.7 148.7 4.6 0.72 0.96 1.32 0.7 0.7 0.5 24 200.0 202.0 153.0 4.5 0.72 0.96 1.32 2.0 2.0 4.1 TS Médias 0.28 3.49 17.31 0.95 N 12 desvio-padrão da demanda com base nos erros 1,25*EAM= 4.365 4.345 =raiz(soma erros quadráticos/(N-1)) Coeficientes 0,1 Coeficientes 0,3 EM EAM EQM TS EM EAM EQM TS 0.18 3.05 14.11 3.92 0.14 3.83 21.95 4.89 Gráf 1 a 12 Gráf 13 a 24 Plan2 Plan3
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