| design_gsnb | Group sequential design with negative binomial outcomes |
| design_nb | Clinical trials with negative binomial outcomes |
| get_calendartime_gsnb | Calendar time of data looks |
| get_info_gsnb | Information level for log rate ratio |
| gscounts | gscounts |
| hospitalizations | Hospitalizations |
| obrien | obrien |
| pocock | pocock |
| print.gsnb | print.gsnb |
| print.nb | print.nb |