Compute the generalization error rate of the tree using the pessimistic approach. (For simplicity, use the strategy of adding a factor of 0.5 to each leaf node.)
Consider the decision tree shown in Figure 4.2.
According to the pessimistic approach, the generalization error rate is
(3 + 4 × 0.5)/10 = 0.5.
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File ____________________ software overwrites a hard disk or USB drive with random 1s and 0s to make data unrecoverable.
Fill in the blank(s) with the appropriate word(s).
To assign a value 1 to variable x, you write
a. 1 = x; b. x = 1; c. x := 1; d. 1 := x; e. x == 1;
_________ is publishing private, but true, information in a way that damages the reputation of the subject.
A. Disclosure B. Insecurity C. Interrogation D. Surveillance
The process of attempting to acquire sensitive information such as usernames, passwords, and credit card details by pretending to be a reputable entity is a ________
A) denial of service attack B) phishing attack C) Trojan horse attack D) botnet attack