विधियों की तुलना करें
चुनी हुई विधियों की आमने-सामने समीक्षा करें; भिन्नता वाली पंक्तियाँ रेखांकित हैं।
| ग्रेंजर कारणता परीक्षण (Granger Causality Test)× | टोडा-यामामोटो कार्य-कारण परीक्षण× | |
|---|---|---|
| क्षेत्र | अर्थमिति | अर्थमिति |
| परिवार | Regression model | Regression model |
| उद्भव वर्ष≠ | 1969 | 1995 |
| प्रवर्तक≠ | Clive W. J. Granger | Toda, H. Y. and Yamamoto, T. |
| प्रकार≠ | Causality test (F-test on VAR) | Causality test |
| मौलिक स्रोत≠ | Granger, C. W. J. (1969). Investigating Causal Relations by Econometric Models and Cross-spectral Methods. Econometrica, 37(3), 424–438. DOI ↗ | Toda, H. Y., & Yamamoto, T. (1995). Statistical inference in vector autoregressions with possibly integrated processes. Journal of Econometrics, 66(1-2), 225-250. DOI ↗ |
| उपनाम | Granger test, GC test, predictive causality test, Granger non-causality test | Toda-Yamamoto test, TY causality test, modified Wald test for Granger causality, TY-MWALD |
| संबंधित | 5 | 5 |
| सारांश≠ | The Granger causality test is a statistical hypothesis test that determines whether past values of one time series help predict future values of another, beyond what that series' own past already explains. Introduced by Clive Granger in 1969, it is the standard approach for assessing predictive causality in VAR-based time-series analysis. | The Toda-Yamamoto (TY) causality test is a modified Wald procedure for testing Granger causality in vector autoregressions (VARs) estimated in levels, even when variables are nonstationary or cointegrated. By intentionally over-fitting the VAR with extra lags equal to the maximum integration order, it restores the standard chi-squared asymptotic distribution of the Wald statistic without requiring prior unit-root or cointegration pretesting. |
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