comp_fit                Calculate Comparative Fit Measures for
                        Regression Models
comp_model              Contrast R-squared Definitions: Intercept vs.
                        No-Intercept
model_info              Get Model Information Used for Calculations
plot.comp_model         Plot Comparison of Model Specifications
plot.r2_kvr2            Plot Method for r2_kvr2 Objects
plot_diagnostic         Plot Observed vs Predicted Values
plot_kvr2               Plot Method for Kvalseth's R-squared Objects
print.comp_model        Print Method for Model Comparison Objects
print.r2_kvr2           Print Methods for r2 and comp_fit calculation
                        Objects
r2                      Calculate Multiple Definitions of Coefficient
                        of Determination (R-squared)
r2_adjusted             Calculate the Adjusted Determination
                        Coefficient
