What's New at NCSS?

We are pleased to announce the release of PASS 11. PASS 11 adds 17 new power and sample size procedures and features to PASS, including procedures for analysis of covariance, group-sequential testing, sensitivity and specificity, Poisson means testing, tests for two ordered categorical variables, Williams test for the minimum effective dose, Control Charts, an enhanced user interface, increased computation speed, and an improved graphics system.

New Procedures
Analysis of Covariance (ANCOVA)
Group-Sequential Tests for Two Means using Simulation
Group-Sequential Non-Inferiority Tests for Two Means using Simulation
Group-Sequential Tests for Two Proportions using Simulation
Group-Sequential Non-Inferiority Tests for Two Proportions using Simulation
Group-Sequential Logrank Tests using Simulation
Sensitivity and Specificity Tests for One Group
Tests for Independent Sensitivities of Two Groups
Tests for Paired Sensitivities
Tests for One Poisson Mean
Tests for Two Poisson Means
Tests for Two Ordered Categorical Variables
Williams Test for the Minimum Effective Dose
Control Charts for Process Means
Control Charts for Process Variation

New Features
Enhanced User Interfaces
Improved Graphics System

Known Problems Fixed by PASS 11
Mouse scrolling now works on all PASS windows
Compatible with all computer language settings

Compatibility
PASS 11 is fully compatible with Windows 7, Vista, and XP on both 32-bit and 64-bit operating systems. Click here to view the complete system requirements.

Prices
Upgrade from PASS 2008:
$349 (academic/government)
$395 (commercial)

Upgrade from Earlier Versions:
$449 (academic/government)
$495 (commercial)

Click here to view complete price lists.

PASS Training Course

A 4-week, online training course on using PASS is now being offered through statistics.com. The course is taught by Dr. Thomas P. Ryan. Click here for more information.

Windows Compatibility Statement

PASS 11, PASS 2008, NCSS 2007, and GESS 2006 have all been tested and found to be completely compatible with Windows 7, Vista, and XP. PASS 11, PASS 2008, NCSS 2007, and GESS 2006 will install and run just fine on 64-bit operating systems.

PASS 2008 Upgrade Now Available

Upgrade from PASS 2005:
$349.95 (academic/government)
$399.95 (commercial)

Upgrade from Earlier Versions:
$449.95 (academic/government)
$499.95 (commercial)

We are pleased to announce the release of PASS 2008. This edition of PASS has been split from NCSS and now functions as an independent application. PASS 2008 adds over 40 new power and sample size procedures and features to PASS, including procedures for mixed models, kappa testing, Normality testing, Cochran-Armitage proportion trend testing, new survival analysis procedures, tools to create randomization lists, several confidence interval procedures, several design of experiments procedures, microarray gene expression comparison tools, an enhanced user interface, an improved help system, and the ability to create macros (which add programmability and streamline repeated tasks).

All templates from previous versions of PASS are fully compatible with PASS 2008.

PASS 2008 is fully compatible with Windows 7, Vista, and XP.

New Procedures
Mixed Models
Logrank (Survival) Tests
Logrank Non-Inferiority Tests
Randomization Lists
Kappa Test for Agreement Between Two Raters
Confidence Intervals - Means (6 Procedures)
Confidence Intervals - Proportions (2 Procedures)
Confidence Intervals - Regression Slope
Confidence Intervals - SD/Variance (8 Procedures)
Confidence Intervals - Correlation
Microarray One-Sample/Paired T-Tests
Microarray Two-Sample T-Tests
Cochran-Armitage Proportion Trend Tests
Normality Tests
Longitudinal Time-Averaged Differencing - Two Means
Longitudinal Time-Averaged Differencing - Two Proportions
Design of Experiments (9 Procedures)

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

Read about what’s new in PASS 2008.

View the PASS upgrade brochure.
View the PASS 2008 brochure.

NCSS 2007 Upgrade Now Available

Upgrade from NCSS 2004:
$249.95 (academic/government)
$299.95 (commercial)

Upgrade from Earlier Versions:
$349.95 (academic/government)
$399.95 (commercial)

We are happy to announce that NCSS 2007 is now available for purchase. This edition adds several new procedures and features to NCSS, including mixed models, an enhanced user interface, and the ability to create macros, which add programmability and streamline repeated tasks. The graphics capabilities have also been greatly enhanced with the addition of color selection tools that allow you to create and choose from millions of colors for inclusion in NCSS charts and graphs. A new Quick Launch window has been added, which makes finding and launching a new procedure easier than ever before. The Help System has also been improved to make it easier than ever to use.

Procedures
Mixed Models
Circular Data Analysis
Data Matching - Optimal and Greedy
Data Simulator
Data Stratification
Double Dendrograms
Merging Two Databases
Multiple Regression with Serial Correlation Correction
Nondetects Analysis
Nondetects Regression

Tools
Macros (Programmability)
Color Selection Windows
Quick Launch Window

Features
Enhanced User Interface
Improved Help System

Read about what’s new in NCSS 2007.

View the NCSS 2007 upgrade brochure.
View the NCSS 2007 brochure.

Adobe® Reader® Version 7 or later is required to use the new NCSS Help System. You can download the latest version of Adobe® Reader® by clicking on the link below. The new help system is fully compatible with Windows 7, Vista, and XP.

GESS 2006 Now Available
(Includes a license for the most recent version of NCSS)

with Electronic Documentation Only (No Printed Manuals):
$749.95
with Printed Manuals:
$949.95

We are pleased to announce the release of GESS 2006, Gene Expression Statistical System for Microarrays.

GESS 2006 Features:

View the GESS 2006 brochure.