| ca | Empirical Classification Analysis (CA) and Inference | 
| mortgage | Mortgage Denial | 
| plot.ca | Distribution plotting | 
| plot.spe | Plot output of 'spe' command. The x-axis limits are set to the specified range of percentile index. | 
| plot.subpop | Plot 2-dimensional projections of variables in interest. | 
| spe | Empirical Sorted Partial Effects (SPE) and Inference | 
| subpop | Inference on Most and Least Affected Groups | 
| summary.ca | Return the output of 'ca' function. | 
| summary.spe | Tabulate the output of 'spe' function. | 
| summary.subpop | Return the output of 'subpop' function. | 
| wage2015 | Wage Data |