Transcription of Lecture 10: Logistical Regression II— Multinomial …
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Lecture 10: Logistical Regression II— Multinomial …
Lecture 10: Logistical Regression II Multinomial DataProf. Sharyn O Halloran Sustainable Development U9611 Econometrics IILogit vs. probit Review Use with a dichotomous dependent variable Need a link function F(Y) going from the original Y to continuous Y probit : F(Y) = -1(Y) Logit: F(Y) = log[Y/(1-Y)] Do the Regression and transform the findings back from Y to Y, interpreted as a probability Unlike linear Regression , the impact of an independent variable X depends on its value Andthe values of all other independent variablesClassical vs. Logistic Regression Data Structure: continuous vs. discrete Logistic/ probit Regression is used when the dependent variable is binary or dichotomous. Different assumptions between traditional Regression and logistic Regression The population means of the dependent variables at each level of the independent variable are not on a straight line, , no linearity.
Classical vs. Logistic Regression Data Structure: continuous vs. discrete Logistic/Probit regression is used when the dependent variable is binary or dichotomous. Different assumptions between traditional regression and logistic regression
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