| Developer(s) | NCSS, LLC [1] |
|---|---|
| Stable release | PASS 2008 / Jan, 2008 |
| Operating system | Windows |
| Type | power and sample size |
| License | Proprietary software |
| Website | www.ncss.com |
PASS is a computer program for estimating sample size or determining the power of a statistical test or confidence interval. NCSS LLC is the company that produces PASS. NCSS LLC also produces NCSS (for statistical analysis) and GESS (Gene Expression Statistical System for Microarray data).
PASS includes over 150 documented sample size and power procedures.