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ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2021/iii/paper-218/6/e/solution

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Past exam of the mathematics course of the University of Cambridge / 2021 / iii / Paper 218 / 6 / e / Solution by Codex 0 2026-09-28
The first line searches candidate ARIMA models and selects the one with smallest Akaike information criterion. The second constructs a one-step-ahead point forecast and nominal 95-percent prediction interval from the fitted values of the selected model.
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