Stepwise procedures result in regression equations that are optimal,in the sense of producing the largest R²,for a given number of predictors.

Question

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Stepwise procedures do not guarantee an optimal regression equation in terms of R-squared for a given number of predictors; they are heuristic methods that may overlook the best model due to their sequential nature of adding or removing variables based on specific criteria at each step.

Stepwise Procedures Result in Regression Equations That Are Optimal,in the Sense