Linear Regression Calculator

Calculate linear regression from data points including slope, intercept, R² coefficient of determination, and best-fit line equation.

How to Use Linear Regression Calculator

Enter your data points with x and y values separated by commas, one pair per line. The calculator computes the best-fit line equation, slope, y-intercept, and R² value to measure how well the line fits your data.

Step-by-Step Instructions

  1. Enter data points as x, y pairs (one per line)
  2. Use comma, tab, or space to separate x and y values
  3. Click Calculate Regression to compute results
  4. View slope, intercept, R², and the line equation

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