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Krížová validácia časových radov (posuvné/rozširujúce sa okno)×Model ARIMA (Autoregressive Integrated Moving Average)×Bootstrap inferencia×Test Diebolda-Mariana na rovnakú prediktívnu presnosť×
OdborEkonometriaEkonometriaŠtatistikaEkonometria
RodinaProcess / pipelineRegression modelRegression modelHypothesis test
Rok vzniku2012201519791995
TvorcaChristoph Bergmeir & José BenítezBox & Jenkins (Box-Jenkins methodology)Bradley EfronFrancis Diebold & Roberto Mariano
TypForecast evaluation procedureUnivariate time-series modelResampling-based inferenceNon-parametric forecast comparison test
Pôvodný zdrojBergmeir, C., & Benítez, J. M. (2012). On the use of cross-validation for time series predictor evaluation. Information Sciences, 191, 192–213. DOI ↗Box, G. E. P., Jenkins, G. M., Reinsel, G. C. & Ljung, G. M. (2015). Time Series Analysis: Forecasting and Control (5th ed.). Wiley. ISBN: 978-1118675021Efron, B. (1979). Bootstrap Methods: Another Look at the Jackknife. Annals of Statistics, 7(1), 1-26. DOI ↗Diebold, F. X., & Mariano, R. S. (1995). Comparing predictive accuracy. Journal of Business & Economic Statistics, 13(3), 253–263. DOI ↗
Ďalšie názvyRolling-Origin Cross-Validation, Walk-Forward Validation, Expanding Window Evaluation, Zaman Serisi Çapraz DoğrulamaBox-Jenkins model, ARIMA(p,d,q), ARIMA Modelibootstrap, bootstrap resampling, nonparametric bootstrap, Bootstrap ÇıkarımıDM Test, Test of Equal Forecast Accuracy, Diebold-Mariano Forecast Comparison Test, Tahmin Doğruluğu Eşitliği Testi
Príbuzné3553
ZhrnutieTime-series cross-validation is a resampling procedure designed for sequentially ordered data. Instead of randomly partitioning observations — which would destroy temporal structure and introduce data leakage — it advances a forecast origin one step at a time, fitting a model on all past data up to that origin and evaluating it on the immediately following out-of-sample period. Economists, financial analysts, and meteorologists use it whenever an honest, operationally realistic estimate of predictive accuracy is required for a time-ordered process.ARIMA is a univariate time-series forecasting model that combines autoregressive, integrated (differencing), and moving-average components to predict a single continuous series from its own past. It is the centrepiece of the Box-Jenkins methodology set out in Box, Jenkins, Reinsel & Ljung's Time Series Analysis (5th ed., 2015).Bootstrap inference, introduced by Bradley Efron in 1979, estimates the sampling distribution of a statistic by repeatedly resampling the observed data with replacement. It requires no distributional assumption and produces reliable confidence intervals even in small samples.The Diebold-Mariano (DM) test, introduced by Diebold and Mariano in 1995, is a widely used non-parametric procedure for formally comparing the predictive accuracy of two competing forecasting models. It evaluates whether the difference in forecast errors between two models is statistically significant, without requiring nested models or specific distributional assumptions about the forecasts, making it broadly applicable across economics, finance, and time-series analysis.
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ScholarGatePorovnať metódy: Time-Series Cross-Validation · ARIMA · Bootstrap Inference · Diebold-Mariano Test. Získané 2026-06-19 z https://scholargate.app/sk/compare