General Information
Home Page
About NCSS
Contact Us
News
Update Notes
    PASS
    NCSS
    GESS
Windows 7, Vista, and XP Compatibility Statement
Section 508 Accessibility Statement and VPAT documents

Downloads
Downloads
  Brochures
  Free Trial
  License Agreements
  Manuals
  PASS 2008
  NCSS 2007
  NCSS 2007 & GESS 2006
  Probability Calculator
  Updates
    PASS
    NCSS
    NCSS & GESS

Ordering
Academic Online Order Form
Commercial Online Order Form
Government Online Order Form

Academic Price List
Commercial Price List
Government Price List

Academic Order Form (PDF)
Commercial Order Form (PDF)
Government Order Form (PDF)

Support
Support
Frequently Asked Questions
Statistical Consulting Services
Editing Macros is Vista

Common Problems
Changing Your Serial Number(s)
Decimal vs. Comma
Printer Problems
Trouble Starting NCSS, PASS and/or GESS

PASS
PASS Home
PASS Procedure List
PASS Upgrade Info
PASS 2008 VPAT

Brochures & Manuals (PDF)
PASS Information
PASS Upgrade Information
PASS 2008 Quick Start Manual
PASS 2008 User's Guide I
PASS 2008 User's Guide II
PASS 2008 User's Guide III
PASS 2005 Quick Start Manual
PASS 2005 User's Guide I
PASS 2005 User's Guide II
PASS 2005 User's Guide III

Features
Simplified Interface
Improved Help System
Quick Launch
Macros (Programmability)

Procedures
Means
  Analysis of Variance (ANOVA)
  Confidence Intervals
  Hotelling's T-Squared
  Longitudinal Time-Averaged Differencing - Two Means
  Means from Exponential Distributions
  Mixed Models
  Multiple Comparisons
  Multivariate Analysis of Variance (MANOVA)
  Pair-Wise Multiple Comparisons Using Simulation
  Repeated Measures ANOVA
  Testing Two Means from 2x2 Cross-Over Designs
  Testing Two-Means from Higher-Order Cross-Over Designs
  Testing Two Means When the Data Are Not Normal Using Simulation
  T-Tests

Proportions
  Confidence Intervals
  Equivalence Tests of Correlated Proportions
  Equivalence Tests of One Proportion
  Inequality Tests of One Proportion
  Longitudinal Time-Averaged Differencing - Two Proportions
  Non-Inferiority Tests of One Proportion
  Non-Inferiority Tests of Two Independent Proportions
  Proportions and Chi-Square Tests
  Tests of Two Correlated Proportions
  Tests of Two Proportions From a Cluster-Randomized Design
  Equivalence Tests of Two Independent Proportions
  Inequality Tests of Two Independent Proportions
  Mantel-Haenszel Test of Two Proportions in a Stratified Design

Regression and Correlation
  Coefficient (Cronbach's) Alpha
  Confidence Intervals - Correlation
  Confidence Intervals - Regression Slope
  Cox Regression
  Kappa Test for Agreement Between Two Raters
  Poisson Regression
  Regression and Correlation

Survival
  Logrank (Survival) Tests
  Logrank Non-Inferiority Tests
  Survival Analysis

Other
  Confidence Intervals - Standard Deviation/Variance
  Design of Experiments
  Group Sequential Tests
  Microarray One-Sample/Paired T-Tests
  Microarray Two-Sample T-Tests
  Monte Carlo Simulation
  Normality Tests
  Probability Calculator
  Randomization Lists
  ROC Curves
  Variances

NCSS
NCSS Home
NCSS Procedure List
NCSS Publications
NCSS Upgrade Info
NCSS 2007 VPAT

Brochures & Manuals (PDF)
NCSS Information (PDF)
NCSS Upgrade (PDF)
NCSS Quick Start Manual
NCSS User's Guide I
NCSS User's Guide II
NCSS User's Guide III
NCSS User's Guide IV
NCSS User's Guide V
NCSS 2004 (and older) Quick Start Manual

Features
Enhanced User Interface
Improved Help System

Tools
Color Selection Windows
Data Simulator
Macros
Merging Two Databases
Quick Launch Window

Procedures
Graphics
  Charts, Plots, and Graphs
  Comparative Histograms
  Double Dendrograms
  Scatter Plot Matrix

Means
  Analysis of Variance
  Circular Data Analysis
  Cross-Over Design and Equivalence Analysis
  Hotelling’s T-Squared
  Mixed Models
  Multivariate Analysis I
  Multivariate Analysis II
  Nondetects Analysis
  Repeated Measures ANOVA
  T-Tests
  T-Tests From Summary Statistics

Proportions
  Analysis of Correlated Proportions
  Analysis of Two Independent Proportions

Regression and Curve Fitting
  Cox Regression
  Curve Fitting
  Curve Fitting (New)
  Linear Regression and Correlation
  Logistic Regression
  Multiple Regression
  Multiple Regression with Serial Correlation
  Nondetects Regression
  Poisson Regression
  Regression Analysis
  Ridge Regression

Survival Analysis
  Cumulative Incidence Analysis
  Distribution (Weibull) Fitting
  Elapsed Time Calculator
  Kaplan-Meier Curves
  Life-Table Analysis
  Parametric Survival (Weibull) Regression
  Reliability Analysis
  Survival Analysis

Other
  Area Under the Curve
  Binary Diagnostic Tests
  Data Matching - Optimal and Greedy
  Data Stratification
  Descriptive Statistics & Cross-Tabulation
  Design of Experiments
  D-Optimal Designs
  Forecasting and Time Series Analysis
  Hybrid Appraisal Models
  If-Then Transformations
  Linear Programming
  Merging Two Databases
  Meta-Analysis
  Probability Calculator
  Real Estate Appraisal
  R & R Studies
  ROC Curves
  SPC & Control Charts
  Tolerance Intervals

GESS
GESS Home
GESS Procedure List
GESS  2006 VPAT

Brochures & Manuals (PDF)
GESS (PDF)
GESS Quick Start Manual
GESS User's Guide I
GESS User's Guide II

Supported Platforms
Affymetrix® File Pre-Processing
Agilent® File Pre-Processing
GenePix® File Pre-Processing
Generic Expression Data File Importing
Two-Channel Data File Importing

Statistical Analyses
Cox Regression
Fold-Change Analysis
GLM ANOVA
Hierarchical Cluster Analysis
Logistic Regression
Multiple Regression
One-Group T-Tests
Paired T-Tests
Principal Components Analysis
Repeated Measures ANOVA
Two-Group T-Tests

Data Utilities
Export Data to Text Files
GES File Description
Save Data to Spreadsheet