Consider the following training dataset for detecting spam emails. +1 means the email is spam, and -1 means it is not. Apply the Winnow algorithm with threshold θ = 5. Assume the raising factor is 2 and the lowering factor is ½. First, find weight vector w. Visit each of the training emails once (stopping criteria), in the sequence of a, b, c, d, e, and f. Show all the intermediate steps. Second, determine if the new email (1, 1, 1, 0, 0) will be categorized as spam or non-spam using the weight vector w that you found in the first step and the given threshold θ (θ = 5). Show how you determine the answer.
Consider the following training dataset for detecting spam emails. +1 means the email is spam, and -1 means it is not. Apply the Winnow algorithm with threshold θ = 5. Assume the raising factor is 2 and the lowering factor is ½. First, find weight vector w. Visit each of the training emails once (stopping criteria), in the sequence of a, b, c, d, e, and f. Show all the intermediate steps. Second, determine if the new email (1, 1, 1, 0, 0) will be categorized as spam or non-spam using the weight vector w that you found in the first step and the given threshold θ (θ = 5). Show how you determine the answer.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
Consider the following training dataset for detecting spam emails. +1 means the
email is spam, and -1 means it is not.
Apply the Winnow
Assume the raising factor is 2 and the lowering factor is ½.
First, find weight
sequence of a, b, c, d, e, and f. Show all the intermediate steps.
Second, determine if the new email (1, 1, 1, 0, 0) will be categorized as spam or non-spam
using the weight vector w that you found in the first step and the given threshold θ (θ = 5).
Show how you determine the answer.
Transcribed Image Text:#Email
a
b
с
d
e
f
and
0
1
0
1
0
0
orange
1
0
1
0
0
1
cheese
1
1
0
1
0
0
apple
0
1
1
0
1
0
vacation
0
1
0
0
1
0
y
-1
+1
+1
-1
+1
-1
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