Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R17 2020 November 844AC Machine Learning Previous Question Paper
S OCT 2020
R17
Code No: 844AC
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA IV Semester Examinations, October/ November - 2020
MACHINE LEARNING
Time: 2Hours
Max.Marks:75
Answer any five questions
All questions carry equal marks
----
1.
Construct decision tree for the training examples given in the table for Play tennis
domain using Gain Ratio algorithm. Show clearly formulae used and calculations done
at each stage for building the decision tree using the algorithm.
[15]
Outlook
Temp
Humidity
Windy
Playtennis
Sunny
75
70
true
play
Sunny
80
90
true
no play
Sunny
85
85
false
no play
used
Sunny
72
95
false
no play
Sunny
69
70
false
play
Overcast
72
90
true
play
Overcast
83
78
false
play
Overcast
64
65
true
play
Rainy
81
75
false
play
Rainy
71
80
true
no play
Rainy
65
70
true
no play
Rainy
75
80
false
play
Rainy
68
80
false
play
2.
Write the ID3 algorithm for Decision tree learning.
[15]
3.
Write the derivation of Back propagation Learning Rule.
[15]
4.
Write the Back propagation Learning Algorithm for Multi layer networks.
[15]
5.
Write following algorithms:
a) Gibb's Algorithm
b) EM algorithm
[15]
6.
Explain the working of Bayesian belief networks.
[15]
7.
Explain the evaluation problem of HMMs.
[15]
8.
Explain the Inductive-Analytical approaches to learning. [15]
---oo0oo---
This post was last modified on 17 March 2023