Math

Linear Regression Calculator

Fit a best-fit line from point data and compute r and R².

Linear Regression Calculator fits a best-fit line and returns slope/intercept from paired data. It is useful for trend estimation and quick predictive checks in small datasets. The tool helps confirm whether a linear model is reasonable before deeper analysis. Use it to inspect relationship direction and strength.

Point Data

One point per line: `x,y`

Model

Line: y = 0.900000x + 1.300000

r: 0.900000

R²: 0.810000

Points used: 5

How to use this tool

Enter x-y data pairs in the expected format.
Run regression to compute slope, intercept, and fit metrics.
Use coefficients for forecasting or model comparison.

Data science learning products

Recommend statistics courses, data notebooks, and analysis tools.

Affiliate slot placeholder: set ADSENSE_CLIENT_ID and ADSENSE_SLOT_ID to render Google Ads here.