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	Test pierwiastka jednostkowego rozszerzony testem Dickeya-Fullera (ADF)	Informer
Dziedzina	Ekonometria	Uczenie głębokie
Rodzina	Regression model	Machine learning
Rok powstania	1979	2021
Twórca	David A. Dickey & Wayne A. Fuller	Zhou, H. et al.
Typ	Unit-root test for stationarity	Transformer (ProbSparse self-attention)
Źródło pierwotne	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(366a), 427–431.	Zhou, H. et al. (2021). Informer: Beyond Efficient Transformer for Long Sequence Time-Series Forecasting. AAAI.
Inne nazwy	ADF test, Dickey-Fuller test, unit root test, Genişletilmiş Dickey-Fuller testi	Informer — Uzun Dizi Transformer Tahmini, Informer transformer, ProbSparse attention forecaster
Pokrewne	4	5
Podsumowanie	The Augmented Dickey-Fuller (ADF) test is the most widely used test for a unit root — that is, for whether a time series is non-stationary and must be differenced before modelling. Introduced by David Dickey and Wayne Fuller in 1979 and extended by Said and Dickey in 1984 to series with higher-order autocorrelation, it regresses the change in the series on its lagged level plus lagged differences and asks whether the lagged-level coefficient is zero.	Informer is a Transformer-based model introduced by Zhou et al. in 2021 for long-sequence time-series forecasting, using a ProbSparse self-attention mechanism that lowers the computational complexity of the standard Transformer to O(L log L). It is built for problems that demand predictions across thousands of future steps.