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- W4224937294 abstract "Abstract In 2002, in a seminal article, Bandt and Pompe proposed a new methodology for the analysis of complex time series, now known as Ordinal Analysis. The ordinal methodology is based on the computation of symbols (known as ordinal patters) which are defined in terms of the temporal ordering of data points in a time series, and whose probabilities are known as ordinal probabilities. With the ordinal probabilities the Shannon entropy can be calculated, which is the permutation entropy. Since it was proposed, the ordinal method has found applications in fields as diverse as biomedicine and climatology. However, some properties of ordinal probabilities are still not fully understood, and how to combine the ordinal approach of feature extraction with machine learning techniques for model identification, time series classification or forecasting, remains a challenge. The objective of this perspective article is to present some recent advances and to discuss some open problems." @default.
- W4224937294 created "2022-04-28" @default.
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- W4224937294 date "2022-05-01" @default.
- W4224937294 modified "2023-10-16" @default.
- W4224937294 title "20 years of ordinal patterns: Perspectives and challenges" @default.
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- W4224937294 doi "https://doi.org/10.1209/0295-5075/ac6a72" @default.
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