Looking for Relationships with Correlation and Regression

IN THIS PART …

• Understand correlation, which is the strength and direction of the relationship between two variables, and regression, which is a set of techniques for describing the relationship between two variables.
• Get a handle on straight-line regression, which is the simplest kind of regression.
• Do multiple regression analysis, which is regression when there’s more than one predictor variable.
• Find out about other useful kinds of regression you encounter in biological research, such as Poisson regression and nonlinear regression.