DebitCreditWekaClassifierConstructor.java

 DebitCreditWekaClassifier() {
        /*
         * Class for running an arbitrary classifier on data that has been passed through an arbitrary filter.
         */
        classifier = new FilteredClassifier();
        /**
         * Class for building and using a multinomial Naive Bayes classifier. For more information see,
         * Andrew Mccallum, Kamal Nigam: A Comparison of Event Models for Naive Bayes Text Classification.
         * https://weka.sourceforge.io/doc.dev/weka/classifiers/bayes/NaiveBayesMultinomial.html
         */
        classifier.setClassifier(new NaiveBayesMultinomial());
        /**
          * Declare text attribute to hold the message
          */
        Attribute attributeText = new Attribute("text", (List<String>) null);
        /**
          * Define the etalons or labels attribute and its values
          */
        ArrayList<String> classAttributeValues = new ArrayList<>();
        classAttributeValues.add("debit");
        classAttributeValues.add("credit");
        Attribute classAttribute = new Attribute("label", classAttributeValues);
        /**
         * Built the feature vector "wekaAttributes"
         */
        wekaAttributes = new ArrayList<>();
        wekaAttributes.add(classAttribute);
        wekaAttributes.add(attributeText);

    }