Sorry, you do not have permission to ask a question, You must login to ask a question.

NPTEL Data Mining Assignment Answers 2023 -Week 3

Are you a student struggling with the Data Mining NPTEL Week 3 assignment? Look no further! In this article, we have compiled a set of hints and answers to help guide you through the assignment.

Make sure to give it a try on your own first, but use these hints as a helpful resource.

NPTEL DATA MINING ASSIGNMENT ANSWERS 2023 -WEEK 3

Q1. Internal nodes of a decision tree correspond to:

Q2. In a multiclass classification problem, Bayes classifier assigns an instance to the class corresponding to:

Q3. Three identical bags contain blue and yellow balls. The first bag contains 3 blue and 2 yellow balls, the second bag has 4 blue and 5 yellow balls, and the third bag has 2 blue and 4 yellow balls. A bag is chosen randomly and a ball is chosen from it. If the ball that is drawn out is blue, what will be the probability that the second bag is chosen?

Q4. What is the entropy of the dataset?

Q5. Which attribute would information gain choose as the root of the tree?

Q6. Whether a person will buy if (Age=35, Student-No, Income Low, Credit_rating = Fair)?

Q7. What class does the person(Age-42, Student-No, Income-Medium, Credit_rating = Excellent)?

Q8. What class does the person (Age 25, Student-No, Income-Medium, Credit_rating = Fair}?

Q9. Which attribute would information gain choose for Age=31-40?

Answer: C. Is a leaf node with value Yes.

Disclaimer: Please keep in mind that these answers are intended to serve as a reference for students. Our website does not guarantee the accuracy of the answers provided. We encourage all students to complete their assignments independently and use these answers as a supplement to their own understanding.

NPTEL DATA MINING WEEK 1 – 2023

nptel data mining assignment answers week 4