| contingency_table | Builds a contingency table |
| freq | Builds a function to calculate cross-tabulated frequencies |
| hazard_ratio | Builds a function used to calculate hazard ratios. |
| neat_table | Displays a neatly formatted contingency table. |
| odds_ratio | Builds a function used to calculate odds ratios. |
| print.contintab | Prints the contingency table as an ASCII table |
| summary_mean | Builds a function to calculate the mean of a continuous variable for each level of an outcome. |
| summary_median | Builds a function to calculate the median of a continuous variable for each level of an outcome. |