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Regression modelEconometrics / time series

Kipimo cha Mizizi ya Muungano cha Augmented Dickey-Fuller (ADF)

Kipimo cha Augmented Dickey-Fuller ni utaratibu sanifu wa kubaini kama mfululizo wa muda mmoja una mizizi ya muungano - yaani, kama mfululizo huo hauna uthabiti. Kinapanua kipimo cha awali cha Dickey-Fuller kwa kujumuisha vipengele vya tofauti vilivyocheleweshwa ambavyo hufyonza uhusiano wa mfululizo katika mabaki, na kufanya kipimo kuwa halali kwa aina mbalimbali za michakato ya mfululizo wa muda inayokutwa katika uchumi na fedha.

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Vyanzo

  1. Said, S. E., & Dickey, D. A. (1984). Testing for unit roots in autoregressive-moving average models of unknown order. Biometrika, 71(3), 599–607. DOI: 10.1093/biomet/71.3.599
  2. Dickey, D. A., & Fuller, W. A. (1979). Distribution of the estimators for autoregressive time series with a unit root. Journal of the American Statistical Association, 74(366), 427–431. DOI: 10.2307/2286348

Jinsi ya kunukuu ukurasa huu

ScholarGate. (2026, June 3). Augmented Dickey-Fuller Unit Root Test. ScholarGate. https://scholargate.app/sw/econometrics/augmented-dickey-fuller-unit-root-test

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ScholarGateAugmented Dickey-Fuller unit root test (Augmented Dickey-Fuller Unit Root Test). Imepatikana 2026-06-15 kutoka https://scholargate.app/sw/econometrics/augmented-dickey-fuller-unit-root-test · Seti ya data: https://doi.org/10.5281/zenodo.20539026