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'''import''' java.util.Random;
<font color="green">// load dataset</font>
'''var''' source = new DataSource("/iris.arff");
'''var''' dataset = source.getDataSet();
<font color="green">//set class index to the last attribute</font>
dataset.setClassIndex(dataset.numAttributes() - 1);
<font color="green">//create and build the classifier</font>
'''var''' nb = new NaiveBayes();
nb.buildClassifier(dataset);
<font color="green">// cross validate model</font>
var eval = new Evaluation(dataset);
eval.crossValidateModel(nb, dataset, 10, new Random(41));
