CS725 Assignment 3 Solution and Discussion


  • Cyberian's Gold

    Fall 2019 Data Mining Virtual university of Pakistan
    Data Mining (CS725)
    Assignment # 01 Total Points: 50
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    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:
    6b04fe2a-ba86-4ad9-a428-96fc0eaacd25-image.png

    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



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