Jaribio la CUSUM: Kugundua Usio thabiti wa Vigezo katika Miundo ya Regresi
Majaribio ya CUSUM (Cumulative Sum) na CUSUMSQ (Cumulative Sum of Squares), yaliyoanzishwa na Brown, Durbin, na Evans (1975), yanatathmini kama vigezo vya modeli ya regresi ya mstari vinabaki kuwa vya mara kwa mara kwa muda. Ni zana sanifu katika ekonometri kwa kugundua mapumziko ya kimuundo, mabadiliko ya sera, au mabadiliko ya utawala katika data ya mfululizo wa muda bila kuhitaji maarifa ya awali ya wakati mapumziko yanapotokea.
Soma mbinu kamili
Ingia kwa akaunti ya bure ili kusoma sehemu hii.
Method map
The neighbourhood of related methods — select a node to explore.
Vyanzo
- Brown, R. L., Durbin, J., & Evans, J. M. (1975). Techniques for testing the constancy of regression relationships over time. Journal of the Royal Statistical Society: Series B, 37(2), 149–192. DOI: 10.1111/j.2517-6161.1975.tb01532.x ↗
Jinsi ya kunukuu ukurasa huu
ScholarGate. (2026, June 2). CUSUM / CUSUMSQ Parameter-Stability Test. ScholarGate. https://scholargate.app/sw/econometrics/cusum-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.
- Kipimo cha Mapumziko Mengi ya Bai-PerronEkonometriki↔ compare
- Kipimo cha Chow cha Kukatika kwa MuundoEkonometriki↔ compare
- Jaribio la Quandt-Andrews la Vunja Muundo ZisizojulikanaEkonometriki↔ compare
Imerejelewa na
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