Comments (2)
It seems that your problem stems from the
data.frame('importance'= feature_new@mi_matrix[nrow(feature_new@mi_matrix),])
Here you are selecting the last row of the mutual information (mi) matrix. See the code below which will extract the MI between the selected features and the independent variable.
selected_features = unique(as.vector(solutions(feature_new)[[1]]))
variableImportance = data.frame(importance = feature_new@mi_matrix[selected_features,1])
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Thanks for the correction. Closing query
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