Transcription of INFORMATION POINT: Wald test - Wiley-Blackwell
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INFORMATION POINT: Wald test - Wiley-Blackwell
774 H. Kynga s and M. Rissanen INFORMATION POINT: The wald test is a way of testing the signi cance of particular explanatory variables in a statistical model. In logistic regression we have a binary wald test outcome variable and one or more explanatory variables. For each explanatory variable in the model there will be an associated parameter. The wald test, described by Polit (1996) and Agresti (1990), is one of a number of ways of testing whether the parameters associated with a group of explanatory variables are zero. If for a particular explanatory variable, or group of explanatory variables, the wald test is signi cant, then we would conclude that the parameters associated with these variables are not zero, so that the variables should be included in the model.
INFORMATION POINT: Wald test The Wald test is a way of testing the significance of particular explanatory variables in a statistical model. In logistic regression we have a binary
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