Examine the validation curve in the graph below. It displays the training error

Question

Examine the validation curve in the graph below. It displays the training error (on the vertical axis) against model complexity (on the horizontal axis). The blue curve (the lower one) represents training error and the red curve (the higher one) represents testing error. Use the values A, B, and C representing model complexity as well as the intervals between them (A-B, B-C) to specify the following. Model complexity corresponding to high bias: _____ Model complexity corresponding to high variance: _____ Model complexity corresponding to model underfitting: _____ Model complexity corresponding to model overfitting: _____ Model complexity that is at the most desirable level: _____

Explanation / Answer

a.Model coomplexity corresponding to high bias-A-B.High at A point.

b. Model complexity corresponding to high variance-B-C.Variance high at C point.

c. Model complexity corresponding to model under fitting-B-C.Model complexity and variance high atC point

d..Model complexity corresponding to model Over fitting-A-B.Model best fit at A point.

e. Model complexity at most desirable level-A-B,Model best fit at A point.

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