Which of the following statement(s) is/are true for bagging and boosting? A) Bagging: Weak learners are built in parallel Boosting: Weak learners are built in sequence one after the other B) Bagging: More weight to those weak learners with better performance Boosting: Each weak learner has equal weight in the final prediction. C) Bagging: Samples are drawn from the original dataset with replacement to train each individual weak learner Boosting: Subsequent samples have more weight of those observations

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Which of the following statement(s) is/are true for bagging and boosting? A) Bagging: Weak learners are built in parallel Boosting: Weak learners are built in sequence one after the other B) Bagging: More weight to those weak learners with better performance Boosting: Each weak learner has equal weight in the final prediction. C) Bagging: Samples are drawn from the original dataset with replacement to train each individual weak learner Boosting: Subsequent samples have more weight of those observations which had relatively higher errors in previous weak learners D) Bagging: Random forest is a special type of bagging technique Boosting: Adaboost is a special type of boosting technique
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