| BetaADF | Estimate Standardized Regression Coefficients and the Corresponding Sampling Covariance Matrix Using the Asymptotic Distribution-Free Approach | 
| BetaHC | Estimate Standardized Regression Coefficients and the Corresponding Robust Sampling Covariance Matrix Using the Heteroskedasticity Consistent Approach | 
| BetaN | Estimate Standardized Regression Coefficients and the Corresponding Sampling Covariance Matrix Assuming Multivariate Normality | 
| coef.betasandwich | Standardized Regression Slopes | 
| coef.diffbetasandwich | Differences of Standardized Regression Slopes | 
| coef.rsqbetasandwich | Multiple Correlation Coefficients (R-Squared and Adjusted R-Squared) | 
| confint.betasandwich | Confidence Intervals for Standardized Regression Slopes | 
| confint.diffbetasandwich | Confidence Intervals for Differences of Standardized Regression Slopes | 
| confint.rsqbetasandwich | Confidence Intervals for Multiple Correlation Coefficients (R-Squared and Adjusted R-Squared) | 
| DiffBetaSandwich | Estimate Differences of Standardized Slopes and the Corresponding Sampling Covariance Matrix | 
| nas1982 | 1982 National Academy of Sciences Doctoral Programs Data | 
| print.betasandwich | Print Method for an Object of Class 'betasandwich' | 
| print.diffbetasandwich | Print Method for an Object of Class 'diffbetasandwich' | 
| print.rsqbetasandwich | Print Method for an Object of Class 'rsqbetasandwich' | 
| RSqBetaSandwich | Estimate Multiple Correlation Coefficients (R-squared and adjusted R-squared) and the Corresponding Sampling Covariance Matrix | 
| summary.betasandwich | Summary Method for an Object of Class 'betasandwich' | 
| summary.diffbetasandwich | Summary Method for an Object of Class 'diffbetasandwich' | 
| summary.rsqbetasandwich | Summary Method for an Object of Class 'rsqbetasandwich' | 
| vcov.betasandwich | Sampling Covariance Matrix of the Standardized Regression Slopes | 
| vcov.diffbetasandwich | Sampling Covariance Matrix of Differences of Standardized Regression Slopes | 
| vcov.rsqbetasandwich | Sampling Covariance Matrix of Multiple Correlation Coefficients (R-Squared and Adjusted R-Squared) |