Examples of etc.aloe.processes.CrossValidationPrep.stratify()

Class etc.aloe.processes.CrossValidationPrep

Examples of etc.aloe.processes.CrossValidationPrep.stratify()

etc.aloe.processes.CrossValidationPrep.stratify()
Stratifies a set of instances according to its class values if the class attribute is nominal (so that afterwards a stratified cross-validation can be performed). @param instances @param numFolds the number of folds in the cross-validation


        List<TestLabelable> items = new ArrayList<TestLabelable>(originalItems);


        int numStrats = 3;
        CrossValidationPrep instance = new CrossValidationPrep();
        List<TestLabelable> stratified = instance.stratify(items, numStrats);


        assertEquals("size unchanged", originalItems.size(), stratified.size());


        int stratSize = originalItems.size() / numStrats;
        for (int i = stratSize; i < originalItems.size(); i++) {

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