stats

Correlation Calculator

Pearson r, R², and Spearman ρ for paired data — with scatter plot and best-fit line.

Input — Paired Data

X values (comma or space separated)Y values (comma or space separated)

Results

Pairs n—

Pearson r—

R² (variance explained)—

Spearman ρ—

Regression line—

Interpretation—

r = Σ(dx·dy) / √(Σdx²·Σdy²) · ρ = 1 − 6Σd²/n(n²−1)