| add_colored_box | Add a box with specified color in an R Markdown file. | 
| add_colored_str | Add a string with specified color or background color. | 
| bill_cross_check | Check two tables with unique matching ids and generate reports on duplicated ids and repeated columns when applicable.. | 
| bill_cross_count | Summarize times being purchased for individual items' from multiple grocery shopping lists. | 
| color_set_palette | Generate a color vector | 
| color_test_palette | Test a color vector | 
| exdt | Example dataset | 
| time_plot_event | Plot labeled events | 
| time_plot_interval | Plot periods of events | 
| trans_composition | Transformation for continuous data with a finite number of distinct values | 
| trans_loglinear | Transformation for continuous data with a finite number of distinct values |