Сравнение на методи
Прегледайте избраните методи един до друг; редовете с разлики са откроени.
| Тест CUSUM: Откриване на нестабилност на параметри в регресионни модели× | Тест на Чоу за структурна промяна× | |
|---|---|---|
| Област | Иконометрия | Иконометрия |
| Семейство≠ | Hypothesis test | Regression model |
| Година на възникване≠ | 1975 | 1960 |
| Създател≠ | Brown, Durbin & Evans | Gregory C. Chow |
| Тип≠ | Recursive residual test | Test for structural break in regression coefficients |
| Основополагащ източник≠ | 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 ↗ | Chow, G. C. (1960). Tests of equality between sets of coefficients in two linear regressions. Econometrica, 28(3), 591–605. DOI ↗ |
| Други названия≠ | Cumulative Sum Test, CUSUMSQ Test, Brown-Durbin-Evans Test, Kümülatif Toplam Testi | Chow breakpoint test, structural break test, Chow yapısal kırılma testi |
| Свързани≠ | 3 | 2 |
| Резюме≠ | The CUSUM (Cumulative Sum) and CUSUMSQ (Cumulative Sum of Squares) tests, introduced by Brown, Durbin, and Evans (1975), assess whether the coefficients of a linear regression model remain constant over time. They are standard tools in econometrics for detecting structural breaks, policy shifts, or regime changes in time-series data without requiring prior knowledge of when a break occurs. | The Chow test, introduced by Gregory Chow in 1960, checks whether the coefficients of a linear regression are the same across two subsamples — that is, whether a structural break occurs at a known point such as a policy change, crisis, or regime shift. It compares the fit of a single pooled regression with the combined fit of two separate regressions; a large improvement from splitting indicates the relationship differs between the two periods or groups. |
| ScholarGateНабор от данни ↗ |
|
|