Actitacker Spark Cassandra

PredictActivity.java

public static String predict(JavaSparkContext sc) {

        //load the defined model
        DecisionTreeModel model = DecisionTreeModel.load(sc.sc(), "actitracker");

        Vector feature = computeFeature(sc);

        double prediction = model.predict(feature);

        String result = "No activity predicted";

        switch ((int) prediction) {
            case 0:
                result = "Walking";
                break;
            case 1:
                result = "Jogging";
                break;
            case 2:
                result = "Standing";
                break;
            case 3:
                result = "Sitting";
                break;
            case 4:
                result = "Upstairs";
                break;
            case 5:
                result = "Downstairs";
                break;
        }

        return result;

    }