Variance Covariance Matrix
Auxiliary for Controlling Robust Fitting
Wage Offer Data
Print Function for summary.etregrob
Print Function for summary.heckit5rob
Design Matrix of Endogenous Treatment Model
Design Matrix of Sample Selection Model
Robust Heckit Fit
Design Matrix of Switching Regression Model
Summarizing Robust Fits of Endogenous Treatment Models
Robust Heckit Fit: Switching Regressions
Fitted values of robust sample selection model
Extract Asymptotic Variance Covariance Matrix
Extract Asymptotic Variance Covariance Matrix
Variance Covariance Matrix
Robustness Weights
Robust Sample Selection Model
Robustness Weights
Extract Asymptotic Variance Covariance Matrix
Print a heckitrob
Object
Summarizing Robust Fits of Sample Selection Models
Print a heckit5rob
Object
Robust Estimation and Inference in Sample Selection Models
Robust Fit of Endogenous Treatment Model
Fitted values of endogenous treatment model
Summarizing Robust Fits of Sample Selection Models
Number of Observations
Fitted values of robust sample selection model
Print a etregrob
Object
Print Function for summary.heckitrob
Residuals of Robust Endogenous Treatment Model Fit
Residuals of Robust Sample Selection Model Fit
Residuals of Robust Sample Selection Model Fit
Extract Coefficients from Robust Endogenous Treatment Model Fit
Ambulatory Expenditures Data
Inverse Mills Ratio Derivative
M Matrix
Variance Covariance Matrix
Inverse Mills Ratio Derivative
Extract Coefficients from Robust Sample Selection Model Fit
Extract Coefficients from Robust Sample Selection Model Fit
Score Function of the Mallows M-Estimator