Latest Version of the World’s Most Popular Exact Statistics Package

Combining user-requested new features with statistical methodology innovations, Cytel continues advancement of the world’s most comprehensive exact statistics package.

Other statistical applications often rely on large-scale assumptions for inferences, risking incorrect conclusions from data sets not normally distributed. StatXact utilizes Cytel's own powerful algorithms to make exact inferences by permuting the actually observed data, eliminating the need for distributional assumptions.

With StatXact 8 statisticians or investigators can conduct complex exact statistics calculations within an easily understood and customizable environment. Your results are fast, and most of all accurate.

New in StatXact 8: The Friedman Aligned Rank Test

Friedman's Aligned Rank Test serves as an alternative to the regular Friedman Test. The aligned rank test is a better choice when the data have very few treatments and the blocks have different magnitudes of effect and scale.

The regular Friedman test is less sensitive for smaller number of treatments. This is due to the fact that in Friedman test, the observations are ranked within a block. Thus the comparison is made among the responses within each block only. The comparison of responses between blocks will not be meaningful as the blocks might have different magnitudes of effect and scale among themselves. The blocks may be such that some may give consistently high, and others consistently low, responses.

Follow this link for an example of this test using actual study data

Only StatXact® 8 delivers these capabilities:

• NEW: Stratified Wilcoxon Signed Rank test utilizing case data on paired samples
• Perform test of correlation across single – not bi-variable – correlation
• Compute p-value for the test of trend in multiple outcomes
• Estimate conditional maximum likelihood of trend parameters in correlated data
• Conduct clustered response tests for correlation significance
• Better batch language to speed analyses

PROCs

SAS^® and StatXact PROCs – A Powerful Combination

Imagine easy access to StatXact's wide array of non-parametric exact inference tests and procedures - while working in SAS. StatXact PROCs resides within the SAS environment, offering SAS users StatXact's full compliment of over 130 exact tests and confidence intervals.

StatXact PROCs in-depth SAS integration is designed for practicing statisticians. All the exact procedures in StatXact PROCs can be called through a batch file and documented - as often required in regulatory submission.
Engage StatXact PROCs “automatic pilot” function to distinguish large data sets from small sets, then apply the appropriate exact tests to keep your batch jobs running smoothly.


Examples - References - More Information

Examine examples of StatXact's latest tests and procedures utilizing actual referenced study data.

Download the StatXact brochure for a directory listing over 130 exact tests and procedures, and a comparison between StatXact exact offerings vs. SAS and SPSS current releases.

We’re ready to answer your questions, and help determine your best licensing arrangement. Call us at +617.661.2011 M-F, 9AM – 5 PM EST or email sales@cytel.com

NOTE: As StatXact 8 and LogXact 8 now feature the complete user manual information online, Cytel does not include printed manuals with software purchase. If you would like to purchase a printed manual please contact us:
+617.661.2011 M-F, 9AM – 5 PM EST or email sales@cytel.com