A partition is pure if all the tuples in it belong to the same class. True False

Question

A partition is pure if all the tuples in it belong to the same class. True False Reset Selection Mark for Review What's This? Classification trees are used to predict a categorical response rather than a quantitative one. True False Reset Selection Mark for Review What's This? Decision trees are used to predict categorical responses or a quantitative ones. True False Reset Selection Mark for Review What's This? Regression trees are used to predict a categorical response rather than a quantitative one. True False Reset Selection Mark for Review What's This?

Explanation / Answer

Question 1:

The splitting criteria in the decision trees is determined so that ideally the resulting partition at each branch are as pure as possible that means as alike as possible. A partition is pure if all the tuples in it belong to the same class Therefore the given statement is true.

Question 2:

Classify trees are used in cases where the target variable is a categorical one while regression trees are used when the target variable is a quantitative one.

Therefore here the given statement is true.

Question 3:

Classify trees are used in cases where the target variable is a categorical one while regression trees are used when the target variable is a quantitative one. Both come under decision trees.

Therefore here the given statement is True.

Question 4:

Classify trees are used in cases where the target variable is a categorical one while regression trees are used when the target variable is a quantitative one.

Therefore here the given statement is False.

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