nptel data mining assignment answers week 2 2023

NPTEL Data Mining Week 2 Assignment Answers 2024

1. A decision tree can be used to build models for:

A. Regression problems B. Classification problems C. Both of the above D. None of the above

2. Entropy value of ____ represents that the data sample is pure or homogenous:

A. 1 B. 0 C. 0.5 D. None of the above.

3. Entropy value of _____ represents that the data sample has a 50-50 split belonging to two categories:

A. 1 B. 0 C. 0.5 D. None of the above

4. If a decision tree is expressed as a set of logical rules, then:

A. the internal nodes in a branch are connected by AND and the branches by AND B. the internal nodes in a branch are connected by OR and the branches by OR C. the internal nodes in a branch are connected by AND and the branches by OR D. the internal nodes in a branch are connected by OR and the branches by AND

5. The Decision tree corresponding to the following is? (1 Mark) if C2 then if C1 then A3 else A2 endif else A1, A3 endif

For questions 6-7, consider the following table depicting whether a customer will buy a flat or not. 

6. What is the entropy of the dataset? (1 Mark)

A. 0.50 B. 0.92 C. 1 D. 0

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

A. GPA B. Studied C. Passed D. None of the above

8. A chemical company has three options: (i) commercial production, (ii) pilot plant and (iii) no production. The cost of constructing a pilot plant is Rs 3 lacs. If a pilot plant is built, chances of high and low yield are 80% and 20% respectively. In the case of high yield from the pilot plant, there is a 75% chance of high yield from the commercial plant. In the case of low yield from the pilot plant, there is only a 10% chance of high yield from the commercial plant. If the company goes for commercial plant directly without constructing a pilot plant, then there are 60% chance of high yield. The company earns Rs 1,20,00,000 in high yield and loses Rs 12,00,000 in low yield. The optimum decision for the company is:

A. Commercial Production. B. Pilot plant C. No Production D. None of the above.

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NPTEL: Exam Registration is open now for Jan 2024 courses!

Dear Candidate,

Here is a golden opportunity for those who had previously enrolled in this course during the Jan 2023 semester, but could not participate in the exams or were absent/did not pass the exam for this course. This course is being reoffered in Jan 2024 and we are giving you another chance to write the exam in March 23, 2024 and obtain a certificate based on NPTEL norms. Do not let go of this unique opportunity to earn a certificate from the IITs/IISc.

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1. The exam date for this course: March 23, 2024

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Please fill the exam form using the same Enrolled email id & make fee payment via the form, as before.

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4. You DO NOT have to re-enroll in the courses. 

5. You DO NOT have to resubmit Assignments OR participate in the non-proctored programming exams(if applicable) in the previous semester

6. If you do enroll in the Jan 2024 course, we will take the best average assignment scores/non-proctored programming exam(if applicable) score across the two semesters.

Please check once if you have >= 40/100  in average assignment score and also participated and satisfied the criteria in the non-proctored programming exams(if applicable) that were conducted in Jan 2023 to become eligible for the e-certificate, wherever applicable.

If not, please submit assignments again in the Jan 2024 course and also participate in the non-proctored programming exams(if applicable) to become eligible for the e-certificate.

We will not be having new assignments or unproctored exams(if applicable) in the previous seme ster's (Jan 2023) c ourse. 

RECOMMENDATION: If you want to take new assignments and an unproctored exam(if applicable) or brush up on your lessons for the exam, please enroll in the Jan 2024 course.

Click here to enroll in the current course, links are provided corresponding to the course name.

7. Exam fees: 

If you register for the exam and pay before Feb 12, 2024 - 5:00 PM, Exam fees will be Rs. 1000/- per exam .

8. 50% fee waiver for the following categories: 

Students belonging to the SC/ST category: please select Yes for the SC/ST option and upload the correct Community certificate.

Students belonging to the PwD category with more than 40% disability: please select Yes for the option and upload the relevant Disability certificate. 

9. Last date for exam registration: Feb 16, 2024 - 5:00 PM (Friday). 

10. Between Feb 12, 2024 - 5:00 PM & Feb 16, 2024 - 5:00 PM late fee will be applicable.

11. Mode of payment: Online payment - debit card/credit card/net banking/UPI. 

12.  HALL TICKET: 

The hall ticket will be available for download tentatively by 2 weeks prior to the exam date. We will confirm the same through an announcement once it is published. 

13. FOR CANDIDATES WHO WOULD LIKE TO WRITE MORE THAN 1 COURSE EXAM:- you can add or delete courses and pay separately – till the date when the exam form closes. Same day of exam – you can write exams for 2 courses in the 2 sessions. Same exam center will be allocated for both the sessions. 

14. Data changes: 

Last date for data changes: Feb 16, 2024 - 5:00 PM :  

We will charge an additional fee of Rs. 200 to make any changes related to name, DOB, photo, signature, SC/ST and PWD certificates after the last date of data changes.

The following 6 fields can be changed (until the form closes) ONLY when there are NO courses in the course cart. And you will be able to edit those fields only if you: - 

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Note: Once you remove or cancel a course, you will be able to edit these fields immediately. 

But, for cancelled courses, refund of fees will be initiated only after 2 weeks. 

15. LAST DATE FOR CANCELLING EXAMS and getting a refund: Feb 16, 2024 - 5:00 PM  

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Every domain will comprise Core courses and Elective courses. Once a learner completes the requisite courses per the mentioned criteria, you will receive a Domain Certificate showcasing your scores and the domain of expertise. Kindly refer to the following link for the list of courses available under each domain: https://nptel.ac.in/domains

Outside India Candidates

Candidates who are residing outside India may also fill the exam form and pay the fees. Mode of exam and other details will be communicated to you separately.

Thanks & Regards, 

Survey on Problem Solving sessions - Data Mining - (noc23-cs43)

Dear Learners, We would like to know if the expectations with which you attended this problem solving session are being met and hence please do take 2 minutes to fill out our feedback form. It would help us tremendously in gauging the learner experience. Here is the link to the form:  https://docs.google.com/forms/d/12qBkY_PkFvGZls2viuU1o5QsPZ-GYBGzAiefK9xmZXs/viewform -NPTEL TEAM

Thank you for learning with NPTEL!!

Dear Learner, Thank you for taking the course with NPTEL!! Hope you enjoyed the journey with us. The results for this course have been published and we are closing this course now.  You will still have access to the contents and assignments of this course, if you click on the course name from the " Mycourses " tab on swayam.gov.in . For any further queries please write to [email protected] . - NPTEL Team

Data Mining : Result Published!!

Dear Candidate, The exam scores and E Certificates have been released for March 2023 Exam(s). Step 1 - Are the results of my courses released? Please check the Results published courses list in the below links.:- March 2023 Exam - Click here Step 2 - How to check Results? Please login to internalapp.nptel.ac.in/ . and check your exam results. Use the same login credentials as used to register to the exam. What's next? Please read the pass criteria carefully and check against what you have gotten. If you still have any issues, please report the same here. internalapp.nptel.ac.in/ . We will reply within a week. Last date to report queries: 3 days within publishing of scores. Note : Hard copies of certificates will not be dispatched. The duration shown in the certificate will be based on the timeline of offering of the course in 2023, irrespective of which Assignment score that will be considered. Thanks and Best wishes. NPTEL Team

Data Mining : Final Feedback Form !!!

Dear students, We are glad that you have attended the NPTEL online certification course. We hope you found the NPTEL Online course useful and have started using NPTEL extensively. In this regard, we would like to have feedback from you regarding our course and whether there are any improvements, you would like to suggest.   We are enclosing an online feedback form and would request you to spare some of your valuable time to input your observations. Your esteemed input will help us in serving you better. The link to give your feedback is: https://docs.google.com/forms/d/1NbpBpWcgrnSZiri6LUtjodm09n2BpzzcPDwvsdgSRK0/viewform We thank you for your valuable time and feedback. Thanks & Regards, -NPTEL Team

Data Mining - Week 08 Solution Published

Dear Participants, The Assignment- 08 of Week- 08 Solution for the course Data Mining has been published in the portal. Please go through the solution and in case of any doubt post your queries in the forum. Week 08: Assignment 08: Solution: https://drive.google.com/file/d/1cBYEHqi0_NowNzUgoisIiaKvT9AuvnlH/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team

Data Mining : Problem solving Session Reminder !!

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 25, 2023 - Saturday Time:03.00 PM - 05.00 PM Link to join: https://meet.google.com/zzp-wmns-pzn Happy Learning. -NPTEL Team

Data Mining: Assignment 6 question no 4

Dear Students, There is change in answers in assignment 6 question no 4. The re-evaluation has been done. The updated score is displayed under Progress tab. Sorry for the inconvenience.  -NPTEL Team

March 2023 NPTEL Exams - Hall Tickets Released!

***THIS IS APPLICABLE ONLY FOR EXAM REGISTERED CANDIDATES*** Dear Candidate, Your Hall Ticket / admit card for the NPTEL Exam(s) in March, 2023 has been released. Please login to https://internalapp.nptel.ac.in/ using your exam registered email id and download your hall ticket. Note:  Requests for changes in exam city, exam center, exam date, session, or course will NOT be entertained. Please write to [email protected] for any further queries. All the best for your exams! Warm Regards NPTEL Team

Data Mining - Week 07 Solution Published

Dear Participants, The Assignment- 07 of Week- 07 Solution for the course Data Mining has been published in the portal. Please go through the solution and in case of any doubt post your queries in the forum. Week 07: Assignment 07: Solution: https://drive.google.com/file/d/1UghTun2Gl1K9Z8aZZ8eOl9zlDe963Zfo/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team

Data Mining: Assignment 6 question no 8

Dear Students, There is change in answers in assignment 6 question no 8. The re-evaluation has been done. The updated score is displayed under Progress tab. Sorry for the inconvenience.  -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 18, 2023 - Saturday Time:03.00 PM - 05.00 PM Link to join: https://meet.google.com/zzp-wmns-pzn Happy Learning. -NPTEL Team

Data Mining - Week 06 Solution Published

Dear Participants, The Assignment- 06 of Week- 06 Solution for the course Data Mining has been published in the portal. Please go through the solution and in case of any doubt post your queries in the forum. Week 06: Assignment 06: Solution: https://drive.google.com/file/d/1JL_ztNx2vFE0xn4RjXuumdtIewsAOREc/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team

Data Mining - Week 08 Feedback Form

Dear Learners, Thank you for enrolling in this NPTEL course and we hope you have gone through the contents for this week and also attempted the assignment. We value your feedback and wish to know how you found the videos and the questions asked - whether they were easy, difficult, as per your expectations, etc We shall use this to make the course better and we can also know from the feedback which concepts need more explanation, etc. Please do spare some time to give your feedback - comprises just 5 questions - should not take more than a minute, but makes a lot of difference for us as we know what the Learners feel. Here is the link to the form: https://docs.google.com/forms/d/e/1FAIpQLSc3Q5U3PeQpoj1s_HQ7H33oLHskxSnDvFFd8qc7nIAr2z2QQw/viewform NPTEL Team

Data Mining - Week 8 content is live now!!

Dear Students The lecture videos for Week 08 have been uploaded for the course Data Mining The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=81&lesson=82 The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 08 for Week 08 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=81&assessment=114 The assignment has to be submitted on or before Wednesday, [22/03/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, --NPTEL Team

Exam Format - March, 2023 !!

Dear Candidate, ****This is applicable only for the exam registered candidates**** Type of exam will be available in the list: Click Here You will have to appear at the allotted exam center and produce your Hall ticket and Government Photo Identification Card (Example: Driving License, Passport, PAN card, Voter ID, Aadhaar-ID with your Name, date of birth, photograph and signature) for verification and take the exam in person.  You can find the final allotted exam center details in the hall ticket. The hall ticket is yet to be released.  We will notify the same through email and SMS. Type of exam: Computer based exam (Please check in the above list corresponding to your course name) The questions will be on the computer and the answers will have to be entered on the computer; type of questions may include multiple choice questions, fill in the blanks, essay-type answers, etc. Type of exam: Paper and pen Exam  (Please check in the above list corresponding to your course name) The questions will be on the computer. You will have to write your answers on sheets of paper and submit the answer sheets. Papers will be sent to the faculty for evaluation. On-Screen Calculator Demo Link: Kindly use the below link to get an idea of how the On-screen calculator will work during the exam. https://tcsion.com/ OnlineAssessment/ ScientificCalculator/ Calculator.html NOTE: Physical calculators are not allowed inside the exam hall. Thank you! -NPTEL Team

Data Mining : Problem solving Session Preponed!!

Dear learner, Due to unavoidable circumstances, The Problem solving Session organized for March 11, 2023 - Saturday is Preponed to March 7, 2023 - Tuesday. We invite you to join the session and get your doubts cleared and learn better. Date: March 07, 2023 - Tuesday Time:03.00 PM - 05.00 PM Link to join: https://meet.google.com/zzp-wmns-pzn Happy Learning. -NPTEL Team

Data Mining - Week 07 Feedback Form

Data mining - week 05 solution published.

Dear Participants, The Assignment- 05 of Week- 05 Solution for the course Data Mining has been published in the portal. Please go through the solution and in case of any doubt post your queries in the forum. Week 05: Assignment 05: Solution: https://drive.google.com/file/d/1kuF7VsBFcAv3cu2avJiKvCHUAHIAStCK/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team

Data Mining - Week 7 content is live now!!

Dear Students The lecture videos for Week 07 have been uploaded for the course Data Mining The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=72&lesson=73 The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 07 for Week 07 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=72&assessment=112 The assignment has to be submitted on or before Wednesday, [15/03/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, --NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 04, 2023 - Saturday Time:03.00 PM - 05.00 PM Link to join: https://meet.google.com/zzp-wmns-pzn Happy Learning. -NPTEL Team

Data Mining - Week 06 Feedback Form

Data mining - week 6 content is live now.

Dear Students The lecture videos for Week 6 have been uploaded for the course Data Mining The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=63&lesson=64 The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 6 for Week 6 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=63&assessment=111 The assignment has to be submitted on or before Wednesday, [08/03/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, --NPTEL Team

Data Mining - Week 03 Feedback Form

Dear Learners, Thank you for enrolling in this NPTEL course and we hope you have gone through the contents for this week and also attempted the assignment. We value your feedback and wish to know how you found the videos and the questions asked - whether they were easy, difficult, as per your expectations, etc We shall use this to make the course better and we can also know from the feedback which concepts need more explanation, etc. Please do spare some time to give your feedback - comprises just 5 questions - should not take more than a minute, but makes a lot of difference for us as we know what the Learners feel. Here is the link to the form:  https://docs.google.com/forms/d/e/1FAIpQLSc3Q5U3PeQpoj1s_HQ7H33oLHskxSnDvFFd8qc7nIAr2z2QQw/viewform NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 25, 2023 - Saturday Time:03.00 PM - 05.00 PM Link to join: https://meet.google.com/zzp-wmns-pzn Happy Learning. -NPTEL Team

Data Mining - Week 05 Feedback Form

Data mining - assignment- 3 solution released.

Dear Participants,

The Assignment- 3 of Week- 3 Solution for the course " Data Mining " has been released in the portal. Please go through the solution and in case of any doubt post your queries in the forum.

Link:  https://drive.google.com/file/d/1KgW0JyJhTBhIapWdoYHYC2aHs4v5WexD/view?usp=share_link

Happy Learning!

Thanks & Regards,

Data Mining - Week 5 content is live now!!

Dear Students The lecture videos for  Week 5  have been uploaded for the course  Data Mining  The lectures can be accessed using the following link:  https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=54&lesson=55 The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 5  for  Week 5  is also released and can be accessed from the following link:  https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=54&assessment=108 The assignment has to be submitted on or before  Wednesday, [01/03/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, --NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 18, 2023 - Saturday Time:03.00 PM - 05.00 PM Link to join: https://meet.google.com/zzp-wmns-pzn Happy Learning. -NPTEL Team

Data Mining - Week 4 content is live now!!

Dear Students The lecture videos for  Week 4  have been uploaded for the course  Data Mining  The lectures can be accessed using the following link:  https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=45&lesson=46 The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 4  for  Week 4  is also released and can be accessed from the following link:  https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=45&assessment=106 The assignment has to be submitted on or before  Wednesday, [22/02/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, --NPTEL Team

Data Mining - Week 04 Feedback Form

Data mining : problem solving session.

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 11, 2023 - Saturday Time:03.00 PM - 05.00 PM Link to join: https://meet.google.com/zzp-wmns-pzn Happy Learning. -NPTEL Team

Data Mining – Week 01 and Week 02 Solution Published

Dear Participants, The Assignment- 01 and 02 of Week- 01 and 02 Solution for the course Data Mining has been published in the portal. Please go through the solution and in case of any doubt post your queries in the forum. Week 01: Assignment 01 Solution: https://drive.google.com/file/d/1d1pY8XecKSHj4GbMnN4yxwlP0ex1F01w/view?usp=sharing Week 02: Assignment 02 Solution: https://drive.google.com/file/d/1BGq2rp5sdq8aJkFZdZ5Ncm9fbur_F5LO/view?usp=sharing Happy Learning! Thanks & Regards, NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 4, 2023 - Saturday Time:03.00 PM - 05.00 PM Link to join: https://meet.google.com/zzp-wmns-pzn Happy Learning. -NPTEL Team

Data Mining - Week 3 content is live now!!

Dear Students The lecture videos for  Week 3  have been uploaded for the course  Data Mining  The lectures can be accessed using the following link:  https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=36&lesson=37 The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 3  for  Week 3  is also released and can be accessed from the following link:  https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=36&assessment=102 The assignment has to be submitted on or before  Wednesday, [15/02/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, --NPTEL Team

Dear learner, Every week there will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that  will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Start Date:   February 4, 2023 When: Every Saturday Time: 03.00 PM - 05.00 PM Link to join:   https://meet.google.com/zzp-wmns-pzn Thank you. -NPTEL Team

Data Mining - Week 2 content is live now!!

Dear Students The lecture videos for Week 2 have been uploaded for the course Data Mining The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=26&lesson=27 The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 2 for Week 2 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=26&assessment=101 The assignment has to be submitted on or before Wednesday, [08/02/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, --NPTEL Team

Data Mining - Week 02 Feedback Form

Data mining – assignment 0 solution released.

Dear Participants, The Assignment 0 solution of Week- 0 for the course " Data Mining" has been released in the portal. Please go through the solution and in case of any doubt post your queries in the forum. https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=16&lesson=100 Happy Learning!

Data Mining - Download video links are available now!!

Dear Learners, The download video link for the course Data Mining is available now in the course outline. Please check the download video link: https://nptel.ac.in/courses/106105174 -NPTEL Team

Data Mining- Week 01 Feedback Form

Data mining - week 1 content is live now.

Dear Students The lecture videos for Week 1 have been uploaded for the course Data Mining . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=17&lesson=18 The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 1 for Week 1 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc23_cs43/unit?unit=17&assessment=99 The assignment has to be submitted on or before Wednesday, [08/02/2023], 23:59 IST . As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, --NPTEL Team

Data Mining – Assignment - 0 - RELEASED

Dear Learners, We welcome you all to this course. The assignment 0 for the course Data Mining  has been released. This assignment is based on prerequisite of the course. Kindly note that the marks obtained in this assignment will not be considered for the final assessment. You can find the assignment under unit Week 0 on the left-hand side of your screen. You can submit the assignment multiple times. All the best!! --NPTEL Team

NPTEL: Exam Registration is open now for Jan 2023 courses!

Dear Learner, 

Here is the much-awaited announcement on registering for the Jan 2023 NPTEL course certification exam. 

1. The registration for the certification exam is open only to those learners who have enrolled in the course. 

2. If you want to register for the exam for this course, login here using the same email id which you had used to enroll to the course in Swayam portal. Please note that Assignments submitted through the exam registered email id ALONE will be taken into consideration towards final consolidated score & certification. 

3 . Date of exam: Mar 26, 2023

CLICK HERE to register for the exam. 

Choose from the Cities where exam will be conducted: Exam Cities

4. Exam fees: 

If you register for the exam and pay before Feb 17, 2023, 5:00 PM, Exam fees will be Rs. 1000/- per exam .

5. 50% fee waiver for the following categories: 

6. Last date for exam registration: Feb 17, 2023, 5:00 PM (Friday). 

7. Mode of payment: Online payment - debit card/credit card/net banking/UPI. 

8. HALL TICKET: 

The hall ticket will be available for download tentatively by 2 weeks prior to the exam date . We will confirm the same through an announcement once it is published. 

9. FOR CANDIDATES WHO WOULD LIKE TO WRITE MORE THAN 1 COURSE EXAM:- you can add or delete courses and pay separately – till the date when the exam form closes. Same day of exam – you can write exams for 2 courses in the 2 sessions. Same exam center will be allocated for both the sessions. 

10. Data changes: 

Last date for data changes: Feb 17, 2023, 5:00 PM :  

All the fields in the Exam form except for the following ones can be changed until the form closes. 

The following 6 fields can be changed ONLY when there are NO courses in the course cart. And you will be able to edit the following fields only if you: - 

6. What is your role ? 

11. LAST DATE FOR CANCELLING EXAMS and getting a refund: Feb 17, 2023, 5:00 PM  

12. Click here to view Timeline and Guideline : Guideline

Data Mining: Welcome to NPTEL Online Course - Jan 2023!!

• Every week, about 2.5 to 4 hours of videos containing content by the Course instructor will be released along with an assignment based on this. Please watch the lectures, follow the course regularly and submit all assessments and assignments before the due date. Your regular participation is vital for learning and doing well in the course. This will be done week on week through the duration of the course.
• Please do the assignments yourself and even if you take help, kindly try to learn from it. These assignments will help you prepare for the final exams. Plagiarism and violating the Honor Code will be taken very seriously if detected during the submission of assignments.
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• If you have any questions regarding the exam, registration, hall tickets, results, queries related to the technical content in the lectures, any doubts in the assignments, etc can be posted in the forum section
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• The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
• Date and Time of Exams: March 26, 2023  Morning session 9am to 12 noon; Afternoon Session 2 pm to 5 pm.
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[Week 1-12] NPTEL Data Mining Assignment Answers 2024

Nptel data mining week 1 assignment answers 2024.

1. The earliest step in the data mining process is usually?

a) Visualization b) Preprocessing c) Modelling d) Deployment

2. Which of the following is an example of continuous attribute?:

a) Height of a person b) Name of a person c) Gender of a person d) None of the above

3. Friendship structure of users in a social networking site can be considered as an example of:

a) Record data b) Ordered data c) Graph data d) None of the above

4. Name of a person, can be considered as an attribute of type?

a) Nominal b) Ordinal c) Interval d) Ratio

5. A store sells 15 items. Maximum possible number of candidate 2-itemsets is:

a) 120 b) 105 c) 150 d) 2

6. If a record data matrix has reduced number of rows after a transformation, the transformation has performed:

a) Data Sampling b) Dimensionality Reduction c) Noise Cleaning d) Discretization

Answer Q7-Q10 based on the following table:

7. Taking transaction ID as a market basket, support for each itemset {e}, {b,d}, and {b,d,e} is:

a) 0.8, 0.2, 0.2 b) 0.3, 0.3, 0.4 c) 0.25, 0.25, 0.5 d) 1,0,0

8. Based on the results in (7), confidence of association rules {b,d}->{e} and {e}->{b,d} are:

a) 0.5, 0.5 b) 1, 0.25 c) 0.25, 1 d) 0.75, 0.25

9. Repeat (7) by taking customer ID as market basket. An item is treated as 1 if it appears in at least one transaction done by the customer, 0 otherwise. Support of itemsets {e}, {b,d}, {b,d,e} are:

a) 0.3, 0.5, 0.2 b) 0.8, 1, 0.2 c) 1, 0.2, 0.8 d) 0.8, 1, 0.8

10. Based on the results in (9), confidence of association rules {b,d}->{e} and {e}->{b,d} are:

a) 0.8, 1 b) 1, 0.8 c) 0.25, 1 d) 1, 0.25

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NPTEL Data Mining Assignment 1 Answers 2023

• by QuizXp Team
• January 25, 2023 January 25, 2023

NPTEL Data Mining Assignment 1 Answers 2023? This article will help you with the answer to the  Nation al Programme on Technology Enhanced Learning  ( NPTEL )  Course “ Data Mining Assignment 1 “

Below you can find the answers for Data Mining Assignment 1 Answers 2023

NPTEL Data Mining Assignment 1 Answers 2023:-

Q1. Which of the following is usually the last step in the data mining process?

Answer:- Answer will be uploaded soon and will be notified on our telegram channel so please join there click here

Q2. Sales database of items in a supermarket can be considered as an example of:

Q3. HTML links are an example of:

Q4. Name of a place, can be considered an attribute of type?

Next Week Answers: Assignment 02

Q5. A store sells 10 items. Maximum possible number of candidate 3-itemsets is:

Q6. If a record data matrix has reduced number of columns after a transformation, the transformation has performed:

If there are any changes in answers will notify you on telegram so you can get 100% score, So Join

Q7. Support of rule {4,5} ‐> {1}

Q8. Confidence of rule {4,5} -> {1} is:

Q9. Support of {1} -> {2,5} is:

Q10. Confidence of {1} -> {2,5}

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Nptel data mining assignment answers 2023 -week 5.

Are you a student struggling with the Data Mining NPTEL Week 5 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 5

Q1. Support vector machine is:

Answer: (B)Maximum margin classifier

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Q2. Support vectors in SVM are:

Answer:  (C) Subset of training data points

Q3. In a hard margin support vector machine:

Answer: (B) All the instances lie inside the margin

Q4. The Lagrange multipliers corresponding to the support vectors have a value:

Answer: (C) greater than zero

Q5. The primal optimization problem solved to obtain the hard margin optimal separating hyperplane is:

Answer: (A) Minimize N * W ^ T * W such that y{i}(W ^ T * x{i} + b) >= 1 for all i

Q6. The dual optimization problem solved to obtain the hard margin optimal separating hyperplane is:

Answer: (D) Maximize 1/2 * W ^ T * W + Sigma*alpha_{i} such that y{i}(W ^ T * X + b) <= 1 for all i

Q7. We are designing a SVM, W^Tx+b=0, suppose X/s are the support vectors and alpha / s the corresponding Lagrange multipliers, then which of the following statements are correct:

Answer: (D) Both A and B

Q8. If the hyperplane W^Tx + b = 0 correctly classifies all the training points (Xi, Yi) where Yi = {+1, – 1} then:

Answer: (C) W^TX+b >=0 for all i

Q9. The dual optimization problem in SVM design is usually solved using:

Answer: (D) Quadratic programming

Q10. Slack variables are used in which of the below:

Answer: (A) Soft margin SVM

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.

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