Linear Regression (CSV) Calculator

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Fit a simple linear regression from CSV pairs (x,y) and output slope/intercept, R², and predictions.

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Processed locally in your browser. No data is sent to any server.

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update v1.0

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Paste CSV of x,y points to compute a best-fit line and metrics.

Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.