CS725 Assignment 3 Solution and Discussion

[zareen]

Fall 2019 Data Mining Virtual university of Pakistan
Data Mining (CS725)
Assignment # 01 Total Points: 50
Please read the instructions before stepping in to the assignment solution. Please try to complete and upload your assignment on or before due date. No assignment will be considered after due date through email.
Instructions:
Please apply/ perform all the steps.
Copying from other students or any other source will be
marked as ZERO.
Screenshots of assignment solution will not be considered.
Assignment solution must be typed.
Screenshots of Mathematical Equation will lead to marks deduction.
No assignment will be entertained through email.
Be specific and to the point in assignment solution. No assignment after due date will be accepted.
Due Date: January 16th, 2020
1

Fall 2019 Data Mining
Virtual university of Pakistan
Question# 01
Consider the following dataset mentioned below:
(10pts)

Actual	Predicted
	Yes	No
Yes	70	30
No	40	60

Now calculate the following:
i. Sensitivity
ii. Specificity
iii. Error rate
Question# 02
(40pts)
Consider the following class-labeled training tuples from the weather forecast dataset mentioned below:

a) Calculate the Gain for every mentioned attribute and identify which attribute will be chosen for splitting?
b) Compute the Gini index for the overall collection of training dataset