Which of the Following Is True of the Value of K

question 53

Multiple Choice

Which of the following is true of the value of k in the k-Nearest Neighbors algorithm?

• A) The value of k is always taken as a constant and is equal to 1.
• B) If the value of k is large, it drastically increases variability.
• C) If the value k is very large, it introduces biases into the classification decisions.
• D) If the value k is large, the classification of a record is very sensitive to the classification of the single record to which it is closest.

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Definitions:

Nutrient Cycling

The movement and exchange of organic and inorganic matter back into the production of living matter, recycling elements and nutrients through the biosphere.

Hydroelectricity

The production of electricity using the energy generated from flowing or falling water, typically through dams.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water, releasing oxygen as a byproduct.

Euphotic Zone

The layer of a body of water that is sufficiently lit by sunlight, allowing photosynthesis to occur.