What Is Cross-Validation

question 14

Multiple Choice

What is cross-validation?

• A)It is the assessment of a model's level of errors across different samples, which is useful as it allows us to assess how many errors there might be in a model using different samples.
• B)It is the comparison of your findings with the work of others, using the same data.
• C)It is the use of theoretical literature to build your valid data model.
• D)It is the assessment of a model's accuracy across different samples, which is useful as it allows us to assess how well our model might predict the outcome in different samples.

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Definitions:

Brain

An organ of the central nervous system in vertebrates that coordinates sensory information and directs motor responses; center of thought and emotion.

Spinal Cord

The part of the central nervous system that extends from below the waist to the base of the brain.

Testosterone

A steroid hormone primarily found in males, responsible for the development of male secondary sexual characteristics and various other physiological functions.

Females

Refers to the sex of an organism, or part of an organism, that produces non-mobile ova (egg cells) and can typically bear offspring or produce seed.