Linear Regression Calculator

Least-squares best-fit line

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About Linear Regression Calculator

A linear regression calculator using the least-squares method. Computes slope (m), intercept (b), R² (coefficient of determination), Pearson correlation (r), standard error, and predicts y for new x values. Shows residuals for each data point. All calculations are client-side. Essential for statistics, data science, and experimental analysis.

Linear Regression Calculator Features

  • y=mx+b
  • R² value
  • Pearson r
  • Residuals
  • Prediction

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