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WorksheetsFinal quiz
Total questions: 8
Worksheet time: 4mins
What is the purpose of Internal Node ?
Denotes a test of an attribute.
Represents an outcome of the test.
Holds a class label, predicts the outcome.
None of the above.
Decision tree is used for?
Classification
Regression
Both Classification & Regression
Create Oxygen to breath
Which of the index does this formula calculate ?
Entropy
Average Entropy
Gini Index
Intrinsic Information
What problem does tree pruning methods address in decision trees ?
Underfitting
Overfitting
Noise reduction
Outlier detection
Which approach to tree pruning involves halting the construction of a tree early and converting a node into a leaf if certain conditions are met ?
Prepruning
Postpruning
Pruning complexity
Leaf conversion
Choose all the correct statement(s) ?
When node is pure, entropy should be zero.
Measure should obey multistage property.
Mr. Quang is handsome
When impurity is maximal, entropy should be minimal.
What is the primary advantage of pruned decisions tree compared to unpruned ones ?
Higher accuracy on training data
Bigger complexity
Easier interpretability and comprehension
Faster construction
Choose the best application that Decision Trees should be used
Predicting whether an user will make a purchase based on browsing history
Predicting stock prices
Predicting the likelihood of a customer defaulting on a loan
Predicting the outcome of a horse race
