To use nonlinear regression, you need to choose a model. In many cases, especially if you are fitting pharmacological or physiological data, you can choose one of Prism's built-in models described here.

•Dose-response - Key concepts

•Dose-response - Stimulation

•Dose-response - Inhibition

•Dose-response -- Special

•Receptor binding - Key concepts

•Receptor binding - Saturation binding

•Receptor binding - Competitive binding

•Receptor binding - Kinetics

•Enzyme kinetics -- Key concepts

•Enzyme kinetics - Subtrate vs. velocity

•Enzyme kinetics -- Inhibition

•Exponential

•Lines

•Polynomial

•Gaussian

•Sine waves

•Classic equations from prior versions of Prism