| initialize_param | Neutral initialization of starting values |
| plot.robpolycor | Plot method for classes '"robpolycor"' and '"polycor"'. |
| polycor | Robust estimation of polychoric correlation |
| polycormat | Robust estimation of polychoric correlation matrix |
| polycormat_mle | Maximum likelihood estimation of polychoric correlation matrix |
| polycor_mle | Maximum likelihood estimation of polychoric correlation coefficient |
| print.robpolycor | Print method for classes '"robpolycor"' and '"polycor"'. |
| vcov.robpolycor | Obtain estimated asymptotic variance-covariance matrix |