regression models

How Do We Interpret Regression Coefficients?

Interpreting the coefficients of a regression model depends on the type of model used:
Linear Regression: The coefficient represents the change in the outcome variable for a one-unit change in the predictor variable.
Logistic Regression: The coefficient represents the log odds of the outcome occurring for a one-unit change in the predictor variable. Exponentiating the coefficient gives the odds ratio.
Cox Model: The coefficient represents the log hazard ratio for a one-unit change in the predictor variable. Exponentiating the coefficient gives the hazard ratio.
Poisson Regression: The coefficient represents the log rate ratio for a one-unit change in the predictor variable. Exponentiating the coefficient gives the rate ratio.

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