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What is the purpose of bagging in machine learning?Review LaterTo reduce bias in the model's predictions.To increase the complexity of weak learners.To improve the stability and accuracy of the model.To reduce the computational complexity of the training process.

Question

What is the purpose of bagging in machine learning?Review LaterTo reduce bias in the model's predictions.To increase the complexity of weak learners.To improve the stability and accuracy of the model.To reduce the computational complexity of the training process.

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Solution

The purpose of bagging in machine learning is to improve the stability and accuracy of the model. Bagging, which stands for bootstrap aggregating, is a technique used to reduce the variance of an estimate. Here's how it works:

  1. Multiple subsets of the original dataset are created using a process called bootstrapping. This involves randomly selecting samples from the dataset with replacement (meaning the same sample can be selected more than once).

  2. A separate model is

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Similar Questions

It has been recommended to use bagging to solve a given regression problem. Which of the following indicate the advantage of using bagging for the same instead of a simple learning algorithm?Select an option Clear ResponseLesser complexityMore accurate predictionFaster executionThe requirement of the smaller training dataset

Which of the following machine learning algorithm is based upon the idea of bagging?

Which of the following machine learning algorithm is based upon the idea of bagging?Random-forestRegressionClassificationDecision treeSAVE

Which ensemble learning technique focuses on reducing bias?Review LaterBaggingBoostingBoth bagging and boosting equally focus on reducing bias.Neither bagging nor boosting focuses on reducing bias.

How is feature importance calculated in bagging?Review LaterFeature importance is obtained by aggregating the feature importance scores from each individual model.Feature importance is calculated by considering the number of times a feature is selected for splitting across all the weak learners.Feature importance is calculated based on the weights assigned to each feature during training.Feature importance is randomly assigned in bagging and not calculated explicitly.

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