Mul_R2                  Mul R2
OS                      Olkin & Siotani 1976 variance-covariance
                        numerator
bcg                     bcg Data
becker09                Becker 2009 data
c_mat_ft                c mat ft
df_to_corr              Helper function to read in data
estimation              Master Estimation Function
find_B                  Estimate regression coefficients
find_reg_coef           Find regression coefficients
mars                    Master mars function
math_correlations       Math Correlations Data
model_fit               Model fitting function
olkin_siotani           Olkin & Siotani variance-covariance matrix
path_model              Path Model Function
school                  School Data
smd_data                SMD Simulated Data
