Create publication-quality graphs and analyze your scientific data with t-tests, ANOVA, linear and nonlinear regression, survival analysis and more.

Gain insights and guidance at every step so you make the right analysis choices, understand the underlying assumptions, and accurately interpret your data along the way.

Prism is the leading analysis and graphing solution for 750,000 scientists in 110 countries, from students to Nobel Prize winners.

QuickCalcs Run statistical analyses quickly and directly in your browser

Key concepts: Statistical analyses with Prism To analyze data, start from a data table (or graph, or green results table), and click the Analyze button. Prism ignores any...

Analyze, graph and present your scientific work easily with GraphPad Prism. No coding required.

The calculator above will graph and output a simple linear regression model for you, along with testing the relationship and the model equation. Keep in mind that Y is your dependent variable: the one …

Analyze, graph and present your scientific work easily with GraphPad Prism. No coding required.

This page describes the steps necessary to perform Kaplan-Meier survival analysis within Prism. To learn more about the background and mathematics involved in the analysis that Prism performs, …

There are several free flow cytometry analysis software options available, which can be suitable for specific use cases or when budgets are tight. However, it’s important to approach these options with …