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Regression Analysis Online Calculator

Simple & multiple linear regression — automatic regression equation, R², adjusted R², coefficient p-values, residual analysis, and AI interpretation.

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Simple Linear Regression
Multiple Linear Regression

Simple Linear Regression (y = a + bx)

Model the linear relationship between one predictor X and the outcome Y (e.g. how temperature affects yield)

Regression Result

AI Interpretation

About Regression Analysis

Regression analysis calculator: fit simple and multiple models with R-squared, adjusted R-squared, t and F tests, residual plots and VIF diagnostics.

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