Explain the Difference Between Forward Selection,backward Elimination,and Stepwise Selection for the Imputation

question 28

Essay

Explain the difference between forward selection,backward elimination,and stepwise selection for the imputation of variables in a regression equation.

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Definitions:

T Lymphocytes

A type of white blood cell that plays a central role in cell-mediated immunity, recognizing and attacking infected cells and cancer cells.

Cell-Mediated Immunity

A type of immunity in which T cells recognize and destroy infected or cancerous cells without the involvement of antibodies.

Delayed Hypersensitivity

A type of immune response that occurs days after exposure to an antigen, involving T cells rather than antibodies.

Eosinophils

A type of white blood cell involved in the body's immune response, particularly related to allergies and infections.