LifeScioA Citingale product

Flow Data Stats Charts Documents

Cox proportional hazards Parametric survival & extrapolation Competing risks

Noninferiority & equivalence Cluster randomized trial Survival trial sample size

Group-sequential & futility design Adaptive sample-size re-estimation Bayesian trial simulation

Factorial experimental design Response-surface modeling Process capability Control charts

Fixed & random-effects meta-analysis Meta-regression

Propensity score matching Propensity weighting Augmented inverse probability weighting Difference-in-differences

Cohort Markov & cost-effectiveness Patient microsimulation Probabilistic sensitivity analysis One-way sensitivity analysis Decision tree rollback Budget impact

Patient flow & resource simulation

Bayesian regression Hierarchical Bayesian model

Noncompartmental analysis Crossover bioequivalence Compartmental pharmacokinetic modeling Exposure–response modeling

Browse sample data library

Home
Stats
Probability
Negative binomial distribution

Negative binomial distribution

Your results will appear here

Enter your data and select Calculate.

Save a result to copy its table or formula into Flow.

Saved calculations

Your saved calculations will appear here.

Find the right test Method reference and assumptions

Inputs

Inputs

Required successesSuccess probabilityEvaluation valueQuantile probability

Lifescio

About Support Privacy

Development