| bootstrap_se | Bootstrap standard error estimates | 
| ciee | CIEE: Causal inference based on estimating equations | 
| ciee_loop | CIEE: Causal inference based on estimating equations | 
| deriv_obj | Score and hessian matrix based on the estimating functions. | 
| est_funct_expr | Estimating functions. | 
| generate_data | Data generation function | 
| get_estimates | CIEE parameter point estimates | 
| hessian | Score and hessian matrix based on the estimating functions. | 
| mult_reg | Traditional regression approaches. | 
| naive_se | Naive standard error estimates | 
| res_reg | Traditional regression approaches. | 
| sandwich_se | Sandwich standard error estimates | 
| scores | Score and hessian matrix based on the estimating functions. | 
| score_and_hessian_matrix_functions | Score and hessian matrix based on the estimating functions. | 
| sem_appl | Structural equation modeling approach | 
| summary.ciee | Summary function. | 
| traditional_regression_functions | Traditional regression approaches. |