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Machine learningTime-series forecasting

Non-stationary Transformer

Non-stationary Transformer er en Transformer-baseret arkitektur til tidsserieprognoser introduceret af Yong Liu, Haixu Wu, Jianmin Wang og Mingsheng Long på NeurIPS 2022. Den adresserer en fundamental spænding ved anvendelse af Transformers på virkelige tidsserier: over-stationarisering under forbehandling fjerner ikke-stationære signaler, der bærer prædiktiv information, mens rå ikke-stationære input får attention til at kollapse. Modellen løser dette gennem serie-stationarisering parret med en ny de-stationariserende attention-mekanisme, der genopretter den oprindelige temporale fordeling i forudsigelser.

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  1. Liu, Y., Wu, H., Wang, J., & Long, M. (2022). Non-stationary transformers: Exploring the stationarity in time series forecasting. NeurIPS. link

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ScholarGate. (2026, June 2). Non-stationary Transformers for Forecasting. ScholarGate. https://scholargate.app/da/deep-learning/nonstationary-transformer

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ScholarGateNon-stationary Transformer (Non-stationary Transformers for Forecasting). Hentet 2026-06-15 fra https://scholargate.app/da/deep-learning/nonstationary-transformer · Datasæt: https://doi.org/10.5281/zenodo.20539026