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Machine Learning (Ensemble Techniques) Interview Questions

Logistic regression quiz question and answers

This page represents a list of questions which can be used for preparation of machine learning interviews. The following are some of the topics covered in this set of questions:

Ensemble learning: Ensemble learning algorithms are used to improve the prediction performance of individual learning algorithms based on bagging or boosting technique.
Bagging (Boosting Aggregation)
Boosting
Decision trees
Random forest

Decision trees can only be used to predict continuous valued output?

True

False

Correct! Wrong!

Prediction performance of decision trees can be improved using _________?

Bagging

Boosting

Random Trees

All of the above

Correct! Wrong!

Which of the following is also termed as bootstrap aggregation?

Bagging

Boosting

Correct! Wrong!

Which of the following is ensemble learning technique?

Bagging

Boosting

Both of the above

Correct! Wrong!

_ algorithm is an ensemble of _?

Decision trees, Random forest

Random forest, Decision trees

Correct! Wrong!

Ensemble models help achieve which of the following?

Avoids overfitting

Reduce bias and variance errors

Both of the above

Correct! Wrong!

Ensemble models can only be used for classification problems?

True

False

Correct! Wrong!

Which of the following ensemble model is likely to give better prediction performance than other?

Bagging better than boosting

Boosting better than Bagging

Correct! Wrong!

Which of the following ensemble technique tends to fit consecutive trees where each solves for the net loss of the prior trees?

Random trees

Gradient Boosting

Correct! Wrong!

Machine Learning Ensemble Techniques Set 1

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Ajitesh Kumar

I have been recently working in the area of Data analytics including Data Science and Machine Learning / Deep Learning. I am also passionate about different technologies including programming languages such as Java/JEE, Javascript, Python, R, Julia, etc, and technologies such as Blockchain, mobile computing, cloud-native technologies, application security, cloud computing platforms, big data, etc. For latest updates and blogs, follow us on Twitter. I would love to connect with you on Linkedin. Check out my latest book titled as First Principles Thinking: Building winning products using first principles thinking. Check out my other blog, Revive-n-Thrive.com