regression calculator
Fit curves to data with least-squares regression & visual diagnostics
Data Input
CSV
TSV
Space
📋 Paste
✕ Clear
Paste or type
x, y
pairs — one per line. Adjust the delimiter above if your data uses tabs or spaces.
Sample Datasets
Regression Model
Fit Regression
Result
Scatter & Fit
Residuals
Predict
Predict y