Question: 2. Construct the J48 decision tree using all the attributes. Set the test option of the classifier to Use training set What is the classification

2. Construct the J48 decision tree using all the attributes. Set the test option of the classifier to

"Use training set" What is the classification accuracy?

3. Now set the test option to 10 fold cross-validation. What is the resulting classification accuracy?

4. Why is the cross validation a better choice for testing?

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