PASS Sample Size Software

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PASS
Developer(s)NCSS, LLC
Stable release
PASS 15 / January 10, 2017; 2 years ago (2017-01-10)
Operating systemWindows
Typepower and sample size
LicenseProprietary software
Websitewww.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).

PASS includes over 230 documented sample size and power procedures.

Major statistical topics in PASS[edit]

  • Means - 1 or 2 Groups
  • Means - Correlated or Paired
  • Means - Cross-Over Designs
  • Means - Many (ANOVA)
  • Survival Analysis
  • Variances
  • ROC Curves
  • Equivalence
  • Normality Tests
  • Confidence Intervals
  • Conditional Power
  • Proportions - 1 or 2 Groups
  • Proportions - Correlated or Paired
  • Proportion - Many Groups
  • Mixed Models
  • Regression/Correlation
  • Non-Inferiority
  • Group Sequential Tests
  • Design of Experiments

External links[edit]