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Home/Mathematics/Statistics/R-Squared Calculator
Math CalculatorStatistics

R-Squared Calculator

Calculate the R-squared (coefficient of determination) value. R-squared indicates the proportion of variance in the dependent variable that is predictable from the independent variable.

Updated 2025-01-153 min readCalzyra Math Team

Calculator

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CalculatorFree Tool

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Formula & Methodology

How this calculator works

R² = 1 - (SS_res / SS_tot)

R-squared is 1 minus the ratio of residual sum of squares to total sum of squares. A value of 1 means perfect prediction; 0 means the model explains none of the variance.

Frequently Asked Questions

Common questions about this calculator

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