Regression Calculator

“`html Regression Calculator

Regression Calculator

Calculate linear regression, correlation, R², predictions and residuals instantly.

Data Input
# X Value Y Value Predicted Y Residual Remove
Slope (b₁)
Intercept (b₀)
Correlation (r)
SSE
MSE
RMSE
Sample Size (n)
Regression Equation y = —
Regression Plot
Prediction
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Regression Calculator

Interactive Linear Regression & Least-Squares Analysis

ŷ = b₀ + b₁x
ŷ = 8.58 − 0.56x
R² = 0.74 · b₀ = intercept · b₁ = slope
Drag a blue point to refit the line.
Drag a point to refit the line.
Regression Data
# X Y Predicted Y Residual
Slope (b₁)
Intercept (b₀)
Correlation (r)
SSE
MSE
RMSE
Sample Size
Regression Equation y = —

Predict Y From X