Polynomial Regression

UKM APPS

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About this app

Discover the patterns that a straight line cannot capture.

Polynomial Regression is a focused, interactive learning and analysis tool for fitting polynomial curves to your own data. Enter x and y values, choose a degree from 1 to 5, and instantly explore the fitted curve and key goodness-of-fit statistics.

Whether you are a student learning regression, a teacher demonstrating curve fitting, or anyone exploring nonlinear trends, the app turns polynomial regression into a clear visual experience.

Key features:

- Fit polynomial models from degree 1 to 5
- Enter and edit up to 30 x-y data points
- View the fitted curve, observations, and residuals
- Compare R-squared, adjusted R-squared, and RMSE
- Inspect fitted coefficients
- Learn underfitting and overfitting in plain language
- Simulate data by changing degree, curvature, noise, and sample size
- Load practical example datasets with one tap
- Read beautifully rendered formulas without an internet connection
- Keep your latest data and degree selection between sessions

Built for focused exploration:

- Fully offline math and formula rendering
- No account or sign-in required
- Lightweight, responsive interface
- Clear explanations designed for learners

From a simple line to a flexible cubic curve, Polynomial Regression helps you see how model degree changes the fit - and why the best-looking curve is not always the best model.

Download Polynomial Regression and turn your data into a curve you can understand.

What’s new

Polynomial Regression