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Bhattacharya distance as a criterion function with GA-lDA to reduce the hyperspectral image adopting the selection process. The GA approach was introduced as a filter strategy [ 26, 28 ]. Its fitness function maximizes the Bhattacharyya distance between the
the specificity of IRT models, in which the underlying structure is estimated independently of these factors. It is assumed that a criterion functions differently when persons with the same GD severity differ in their responses because of other