Fig. 2.
Fuzzy memberships calculated for the training data from first iteration (see Sect. 4.3). Panel a: error-based fuzzy membership. Error-based weights were calculated with respect to optical and NIR passbands measurement uncertainties, giving higher priority to objects with better measurements within AGN or galaxy sample. Panel b: distance-based fuzzy membership. Distance-based weights were calculated with respect to the class center calculated in a feature space, reducing impact of outliers on classification result.
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