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i had always thought of seasonality as autocorrelation of the residuals of every 4 or 12 periods, since you test for it by testing the significance of the residuals at those periods.
you’re saying that while autocorrelation is more of a pattern in residuals (i.e. positive correlation from period to period), seasonality is more of a pattern in the dependent variable (i.e. every 12th month)? |
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发表于 2013-4-2 11:17
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