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In statistics, stepwise regression is a method of fitting regression models in which the choice of predictive variables is carried out by an automatic procedure. In each step, a variable is considered for addition to or subtraction from the set of explanatory variables based on some prespecified criterion. Usually, this takes the form of a forward, backward, or combined sequence of F-tests or t-tests.

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  • Stepwise regression
  • Regressão por stepwise
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  • Na estatística, a regressão por stepwise é um técnica de ajuste de modelos de regressão em que a escolha das variáveis preditivas é realizada por um procedimento automático. Em cada etapa, uma variável é considerada para adição ou subtração do conjunto de variáveis explicativas com base em algum critério pré-especificado. Normalmente, se assume a forma de uma sequência de testes ou t, mas outras técnicas são possíveis, como R 2 ajustado, critério de informação de Akaike, critério de informação Bayesiano, Mallows, PRESS ou taxa de descoberta falsa.
  • In statistics, stepwise regression is a method of fitting regression models in which the choice of predictive variables is carried out by an automatic procedure. In each step, a variable is considered for addition to or subtraction from the set of explanatory variables based on some prespecified criterion. Usually, this takes the form of a forward, backward, or combined sequence of F-tests or t-tests.
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