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- W2161016678 abstract "The selection of features for classification, clustering and approximation is an important task in pattern recognition, data mining and soft computing. For real-valued features, this contribution shows how feature selection for a high number of features can be implemented using mutual information. Especially, the common problem for mutual information computation of computing joint probabilities for many dimensions using only a few samples is treated by using the Renyi mutual information of order two as computational base. The convex property is proved for ranked target samples. For real world applications like process mod-elling, the treatment of missing values is included. An example shows how the relevant features and their time lags are determined in time series even if the features determine nonlinearly the output. By the computationally efficient implementation, mutual information becomes an attractive tool for fea-ture selection even for a high number of real-valued features." @default.
- W2161016678 created "2016-06-24" @default.
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- W2161016678 date "2009-11-01" @default.
- W2161016678 modified "2023-09-26" @default.
- W2161016678 title "Real-Valued Feature Selection by Mutual Information of Order 2" @default.
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