The following formula is involved in the calculation of adjusted R2 values:
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Adjusted R2:
where R2 is the sample R-square, k is the number of predictors, and n is the total sample size.
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The following references can be used to cite this adjusted r-square calculator (population r-square):
| Soper, D.S. (2012) "Adjusted R-square Calculator (Population R-square) (Online Software)", http://www.danielsoper.com/statcalc3. |
| Cohen, J., Cohen, P., West, S.G., and Aiken, L.S. (2003) "Applied Multiple Regression/Correlation Analysis for the Behavioral Sciences (3rd edition)", Lawrence Earlbaum Associates, Mahwah, NJ. |