R Square Adjusted Calculator

Use this calculator to compute the R square adjusted (adjusted coefficient of determination) value for your regression equation.

R square
Enter the observed R square (coefficient of determination) as obtained after running regression. E.g. if R square is 90.54%, enter 90.54 (i.e. without the % sign)
Sample Size
Enter the number of observations in the sample or the sample size
Number of independent predictors
Enter the number of independent predictors in the model
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R square adjusted
Calculated R Square Adjusted (adjusted coefficient of determination). A negative value indicates that the predictors to sample size ratio is high (i.e. a lower sample size was considered) or it can also indicate the presence of correlated predictors.

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