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
