Download PTU MBA 2020 March 3rd Sem 77058 Data Sciences Using R Question Paper

Roll No. _______________

Total No. of Questions : 17

Total No. of Pages : 02

--- Content provided by‍ FirstRanker.com ---

MBA (2018 Batch) (Sem.-3)

DATA SCIENCES USING R

Subject Code: MBA-962-18

M.Code: 77058

Time: 3 Hrs.

--- Content provided by⁠ FirstRanker.com ---

Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

1. SECTION-A contains EIGHT questions carrying TWO marks each and students has to attempt ALL questions.
2. SECTION-B consists of FOUR Subsections: Units-I, II, III & IV. Each Subsection contains TWO questions each carrying EIGHT marks each and student has to attempt any ONE question from each Subsection.
3. SECTION-C is COMPULSORY and consist of ONE question carrying TWELVE marks.

--- Content provided by​ FirstRanker.com ---

SECTION-A

Explain briefly :

1. Big Data
2. Mean, Median, Mode
3. Regression

--- Content provided by​ FirstRanker.com ---

4. SVM
5. Deep Learning
6. Decision Tree
7. Validation
8. Data Mining

--- Content provided by⁠ FirstRanker.com ---

SECTION-B

UNIT-I

9. Differentiate between supervised and unsupervised learning.
10. Explain standard deviation and variance using R software.

UNIT-II

--- Content provided by​ FirstRanker.com ---

11. What is decision tree? Where they are used? Explain with example.
12. Explain the concept of linear, multiple and logistic regression.

UNIT-III

13. Explain the process of clustering with k-medoids algorithm.
14. Write a note on hierarchical and density-based spatial clustering.

--- Content provided by‌ FirstRanker.com ---

UNIT-IV

15. How evaluation and validation is achieved using cross-validation?
16. Write a note on big data related techniques.

SECTION-C

17. A librarian purchases 500 books for the library. How data mining techniques (clustering and classification) will be used to arrange the books into racks?

--- Content provided by‍ FirstRanker.com ---

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

FirstRanker.com