Which of the following properties are characteristic of decision trees?
1. High bias
2. High variance
3. Lack of smoothness of prediction surfaces
4. Unbounded parameter set

A. training based on historical data B. prediction to answer a query C. both A and B D. automization of complex tasks

A. scalable B. accuracy C. fast D. all of the above

A. machine learning model B. machine learning algorithm C. null D. accuracy

A. data mining. B. artificial intelligence C. big data computing D. internet of things