EsLinearSVMModel.java

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 * the Apache License, Version 2.0 (the "License"); you may
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 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.ml.models;

import org.elasticsearch.ml.modelinput.VectorModelInput;

import java.util.HashMap;
import java.util.Map;

public class EsLinearSVMModel extends EsRegressionModelEvaluator {

    public EsLinearSVMModel(double[] coefficients,
                            double intercept, String[] classes) {
        super(coefficients, intercept, classes);
    }

    protected Map<String, Object> prepareResult(double val) {
        String classValue = val > 0 ? classes[0] : classes[1];
        Map<String, Object> result = new HashMap<>();
        result.put("class", classValue);
        return result;
    }

    @Override
    public Map<String, Object> evaluateDebug(VectorModelInput modelInput) {
        double val = linearFunction(modelInput);
        return prepareResult(val);
    }

    @Override
    public String evaluate(VectorModelInput modelInput) {
        double val = linearFunction(modelInput);
        return val > 0 ? classes[0] : classes[1];
    }
}