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Predictive Analytics: Microsoft® Excel by Conrad Carlberg

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7. Logistic Regression: Further Issues

In This Chapter:

An Example: Predicting Purchase Behavior

Comparing Excel with R: A Demonstration

Statistical Tests in Logistic Regression

Chapter 6, “Logistic Regression: The Basics,” concerns itself with issues pertaining to the difficulties that a binomial (or dichotomous) variable presents when you want to predict the probabilities of one value or the other: buy/don’t buy, survive/don’t survive, vote/don’t vote, and so on.

When you think of predicting outcomes that are measured on a continuous numeric scale such as blood pressure, dollars of revenue, or batting averages, you usually think of using regression to generate the predictions.

But binomial outcome variables present special problems that standard, ...

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