Fit linear, multiple, and polynomial regression models. Inspect coefficients, diagnostics, predictions, and plots.
📘 Linear regression guide · 📘 Interpreting regression coefficients · 📘 Diagnostics (residuals, VIF)
Related calculators: Correlation ·CI for slope ·Hypothesis tests
Y vs single X (Y = β₀ + β₁X)
Y vs X₁, X₂, … (continuous/categorical)
Y vs X with degree k (regularized)
Binary Y (future / advanced)
Enter X and Y data manually or upload CSV
Configure options and fit model to see results
Configure your model and click "Fit Model" to see results