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séries univariantes de tempo - metodologia de Box & Jenkins

séries univariantes de tempo - metodologia de Box & Jenkins

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114ou seja, a previsão <strong>de</strong> xpor intervalo éNote-se que Var(e (h)) = (1+^ +V ? , + . . . + f, 2 n) a 2t l / n—l a 'Como, naprática, os erros <strong>de</strong> previsão são valores estimados, o intervalo<strong>de</strong> previsão possível <strong>de</strong> ser obtido é.- ,,

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