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
DiffBetaSandwich        Estimate Differences of Standardized Slopes and
                        the Corresponding Sampling Covariance Matrix
RSqBetaSandwich         Estimate Multiple Correlation Coefficients
                        (R-squared and adjusted R-squared) and the
                        Corresponding Sampling Covariance Matrix
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)
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'
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)
