PASS Sample Size Software

Updated on Dec 09, 2024

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Developer(s) NCSS, LLC [1] Operating system Windows License Proprietary software		Stable release PASS 13 / Jul, 2014 Type power and sample size 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).

PASS includes over 230 documented sample size and power procedures.

Major statistical topics in PASS

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

References

PASS Sample Size Software Wikipedia

(Text) CC BY-SA