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INTRODUCTION TO BINARY LOGISTIC REGRESSION

1 INTRODUCTION TO BINARY LOGISTIC REGRESSION BINARY LOGISTIC REGRESSION is a type of REGRESSION analysis that is used to estimate the relationship between a dichotomous dependent variable and dichotomous-, interval-, and ratio-level independent variables. Many different variables of interest are dichotomous , whether or not someone voted in the last election, whether or not someone is a smoker, whether or not one has a child, whether or not one is unemployed, etc. These types of variables are often referred to as discrete or qualitative.

regression uses the logit transformation to linearize the non-linear relationship between X and the probability of Y. It does this through the use of odds and logarithms. ... negative number. Odds cannot be less than zero, but all odds less than 1 yield natural logs that are negative…the floor is gone. Taking the natural log of the number 1 ...

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