Statistics Software

nQuery Advisor

Statgraphics Centurion XV

Powerful, intuitive statistics software for Windows. Over 150 procedures covering all areas of statistical analysis. Relied on by many Fortune 1000 companies for their statistical computing.

STATGRAPHICS Centurion is designed for anyone who wishes to do serious data analysis without investing weeks learning how to use a statistical package. It contains over 150 statistical procedures, covering everything from summary statistics to design of experiments. Yet you don't need to be a statistician to use the program. Everything is completely menu-driven, and there are tools such as the StatWizard and StatAdvisor to help you use the program most effectively.

Included in STATGRAPHICS Centurion are procedures for:

  • Basic statistics and exploratory data analysis
  • Analysis of variance and regression
  • SPC (Capability analysis, control charts, measurement systems analysis)
  • Design of experiments
  • Six Sigma
  • Reliability and life data analysis
  • Multivariate and nonparametric methods
  • Time series analysis and forecasting

Users include many of the largest companies around the world.

Visit the Samples gallery to see typical output from the program.

STATGRAPHICS Centurion Features

Some of the features that set STATGRAPHICS Centurion apart from its competition are:

StatWizard™ – The StatWizard helps you select the proper analyses for your data. You can search for desired statistics or let the wizard select analyses based on the type of data you supply.

StatAdvisor™ – The StatAdvisor explains the significance of your statistical results. It creates a short paragraph or two in simple language, capturing the actual results of your analyses and indicating whether or not the tests are statistically significant.

StatLink™ – StatLink links your analyses to one or more data sources so that the analyses update whenever the data change. This makes it easy to create analyses that update dynamically. It also makes it simple to import data from programs such as Microsoft Access or Excel.

Six Sigma Toolbox – STATGRAPHICS contains a complete set of tools for implementing Six Sigma programs. There's even a special menu organized around the Six Sigma DMAIC paradigm.

StatGallery™ – The StatGallery places graphs side-by-side or overlays them to help compare multiple data sets. It lets you creates displays that the designers never thought of.

StatReporter™ – The StatReporter organizes results for easy publication. You can copy of all your results into the reporter and save it in RTF format for import into Microsoft Word.

StatPublish™ – This feature lets you save output for viewing in web browsers. It automatically creates HTML pages with imbedded images.

StatFolios™ – A StatFolio saves all of your analyses in one file so that they can be repeated whenever necessary. If the input data change, so will the results.

QFD House Of Quality
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nQuery Advisor

Industry Standard for Sample Size and Power Determination

nQuery Advisor's® intuitive and easy-to-use interface and superb range of sample size tables makes it the choice of leading statisticians, research organizations, and pharmaceutical companies.

Determination of the appropriate sample size is a crucial part of study design. If we make a study too small we may produce inconclusive results. At the same time we cannot waste scarce resources on a study which is too large. nQuery Advisor® helps you find to the most efficient sample size. In addition to assisting you in choosing the appropriate sample size for your research studies, nQuery Advisor® helps you to specify the standard deviation and effect sizes which you need to make sample size and power computations. It also produces protocol-ready sample size statements in accordance with FDA/ICH guidelines.

No other sample size and power software measures up.

Calculate your sample size with nQuery Advisor ® in 4 easy steps:

1. Formulate the study design, outcome, analysis.
Use the nQuery Advisor Study Goal and Design box to select the right table.

2. Use nQuery Advisor's spreadsheet-style tables to specify analysis parameters and expected differences.

3. Enter sample size to have nQuery Advisor compute power (or interval width) or specify power to compute sample size.

4. Quickly evaluate a range of scenarios with nQuery Advisor's tables and plots.
Choose the sample size which best satisfies your goals and plausible parameter values.

Finished? Generate the sample size justification statement.
Click a button to have nQuery Advisor automatically generate the statement you need for FDA / ICH submission.
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