3 Relief Given the data set X with three input features and one output feature representing the classification of samples: I1 12 13 0 2.5 1.6 5.9 0 7.2 4.3 2.1 1 3.4 5.8 1.6 1 5.6 3.6 6.8 0 4.8 7.2 3.1 1 8.1 4.9 8.3 0 6.3 4.8 2.4 1 . Rank the features using a comparison of means and variances. Rank the features using Relief algorithm. Use all samples for the algorithm (m = 7).
3 Relief Given the data set X with three input features and one output feature representing the classification of samples: I1 12 13 0 2.5 1.6 5.9 0 7.2 4.3 2.1 1 3.4 5.8 1.6 1 5.6 3.6 6.8 0 4.8 7.2 3.1 1 8.1 4.9 8.3 0 6.3 4.8 2.4 1 . Rank the features using a comparison of means and variances. Rank the features using Relief algorithm. Use all samples for the algorithm (m = 7).
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:3 Relief
Given the data set X with three input features and one output feature representing the classification of
samples:
I1
12
13
2.5
1.6
5.9
7.2
4.3
2.1
1
3.4
5.8
1.6
1
5.6
3.6
6.8
4.8
7.2
3.1
1
8.1
4.9
8.3
6.3
4.8
2.4
1
• Rank the features using a comparison of means and variances.
• Rank the features using Relief algorithm. Use all samples for the algorithm (m = 7).
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