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Autoregression Quiz
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Formula reference
AR(p): yₜ = c + Σφᵢyₜ₋ᵢ + εₜ
AR(1) mean: μ = c/(1−φ)
Residual: eₜ = yₜ − ŷₜ
Stationarity: |φ| < 1 for AR(1)
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