In the K-Nearest Neighbors Method, When the Value of K

question 35

Multiple Choice

In the k-nearest neighbors method, when the value of k is set to 1

• A)the classification or prediction of a new observation is based solely on the single most similar observation from the training set.
• B)the new observation's class is naïvely assigned to the most common class in the training set.
• C)the new observation's prediction is used to estimate the anticipated error rate on future data over the entire training set.
• D)the classification or prediction of a new observation is subject to the smallest possible classification error.

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Definitions:

Social Castes

Distinct levels within a hierarchical social system, where individuals' status is often fixed at birth based on heritage, occupation, or other factors.

Common-Interest Association

A group or organization formed among people who share similar goals, interests, or issues, aiming to pursue collective objectives.

Age Set

A formally established group of people born during a certain time span who move together through the series of age-grade categories.

Age Grade

An organized category of people based on age; all individuals pass through a series of such categories over their lifetime.