Kipimo cha Phillips-Perron cha Mizizi ya Muungano
Kipimo cha Phillips-Perron (PP) ni kipimo kisicho cha kiparagrafu cha mizizi ya muungano kwa safu za muda ambacho hurekebisha kwa uhusiano wa mfululizo na uhuru wa kiasi katika kipengele cha makosa bila kuongeza tofauti za kuchelewa. Kuanzishwa na Phillips na Perron (1988), kinatumia kiongezi cha kiwango cha muda mrefu kinachotokana na kernel kurekebisha takwimu za Dickey-Fuller, na kuifanya kuwa thabiti kwa darasa pana la michakato ya makosa yenye utegemezi dhaifu.
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Method map
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Vyanzo
- Phillips, P. C. B., & Perron, P. (1988). Testing for a unit root in time series regression. Biometrika, 75(2), 335–346. DOI: 10.1093/biomet/75.2.335 ↗
- Hamilton, J. D. (1994). Time Series Analysis. Princeton University Press. ISBN: 978-0691042893
Jinsi ya kunukuu ukurasa huu
ScholarGate. (2026, June 3). Phillips-Perron Unit Root Test. ScholarGate. https://scholargate.app/sw/econometrics/phillips-perron-unit-root-test
Which method?
Set this method beside its closest kin and read them side by side — the library lays the books on the table; the choice is yours.
- Mfumo wa ARIMA (Autoregressive Integrated Moving Average)Ekonometriki↔ compare
- Kipimo cha Mizizi ya Muungano cha Augmented Dickey-Fuller (ADF)Ekonometriki↔ compare
- Jaribio la Uasababishi wa GrangerEkonometriki↔ compare
- Jaribio la Usimamishaji la KPSSEkonometriki↔ compare
- Kipimo cha Zivot-Andrews cha Mapumziko ya KiunziEkonometriki↔ compare
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