SigmaStat 3.1 統計分析繪圖軟體

Errors in experimental design and improper analysis or interpretation of results can result in costly mistakes. SigmaStat is designed for researchers who need a statistical consultant to help minimize these risks. It is the first and only statistical software program on the market that guides you through your entire statistical analysis by:

• recommending the test to run

• checking for violations in the underlying assumptions of the test

• handling messy data

• running the appropriate test, and

• printing an explanation of the results

SigmaStat's Advisor Wizard steps you through a series of simple questions. Then it automatically recommends the best test to run.

SigmaStat's "expert" system design effortlessly gives you accurate results you can trust -- whether you're doing research to compare group differences, find an association between groups or simply summarize your data with basic statistics.

And now SigmaStat is even easier to use: you can do your statistical analysis from your Microsoft Excel spreadsheet running inside SigmaStat. And you can use SigmaPlot to edit your graphics from within SigmaStat. The promise of Windows 95 realized for the scientist and researcher today!

Blaze through your analysis with 32-bit performance -- up to three times faster than previous versions. Experience the new look and feel of Windows 95. And take advantage of multitasking on Windows NT and Windows 95 platforms.

Don't take chances with your statistics -- use SigmaStat and experience the benefit of a professional statistical consultant at your fingertips.

SigmaStat guides you through your analysis
SigmaStat's "expert system" design intelligently guides you through your entire statistical analysis to reduce the risk of making statistical mistakes and help you draw the right conclusions. Automatically find the right test with the Advisor Wizard, check if your data fit the underlying assumptions of your statistical model, effortlessly handle messy data and print a report complete with an explanation of the results. No other software program is as easy to use and as "smart" as SigmaStat.

Get the right results with the right tests
Get the statistical functions you need to understand your experimental data - with the most frequently used statistical procedures found in clinical and laboratory research. SigmaStat was designed by scientists who understand the concerns of researchers. You don't have to be a statistician to get accurate results you can trust. Run t-tests, ANOVAs, nonparametric statistics, correlation's, regressions, z-tests, Chi-square, post hoc tests, power and sample size and more. Perform one-way, two-way or three-way analysis of variance (ANOVA) with post hoc tests and one- and two-way repeated measures ANOVA. If a significant difference is found between groups, SigmaStat automatically selects the appropriate multiple comparison tests and runs the test you choose. While no statistical program is fool proof, SigmaStat is designed to make your statistical analysis as hassle free as possible.

Visualize your data every step of the way
SigmaStat gives you a wide selection of graphs for every stage of your project: exploration, research and presentation. And, the new graph editor allows you to customize your graphs for presentation-quality results - add text, change axis scales, vary the symbol type and experiment with fill and line color. Investigate distributions, examine the relationship between variables or display descriptive statistics with SigmaStat's exploratory graphs. And conducting a comprehensive analysis of your data is simple with SigmaStat. You get a complete range of presentation and publication test graphs. Test hypotheses and distribution assumptions and draw meaningful conclusions with just a few mouse clicks.

Employ the integrated power of SigmaPlot to create publication-quality graphs
Team up these powerful programs for an integrated scientific software solution. Increase productivity by sharing worksheets using SigmaLinking technology and organizing files in the SigmaStat Notebook. Both programs use the same menus and commands, so you don't have to learn two different products. And with Windows 95 and Office 95 compatibility, you get consistency across applications.

Easy-to-use Windows interface with Microsoft Office integration
Customers praise SigmaStat for its ease of use - it's remarkably easy to learn and use, right out of the box. And we've designed SigmaStat to be Microsoft Office and Windows 95 Compatible with all these exciting new features: increased speed and stability with 32-bit performance, multi-tasking and full support for Microsoft's new intuitive interface.

SigmaStat provides a complete range of presentation quality test graphs. Or activate SigmaPlot's powerful graphing capabilities directly inside SigmaStat.
And you can run Excel directly inside SigmaStat. You get the best of both worlds - manipulate your data in Excel, and do your statistical analysis in SigmaStat. Excel's menus actually merge with SigmaStat's. With the SigmaStat Notebook, easily organize your worksheets, reports, graphs and even your Excel spreadsheets in a single file. What's more, you can insert any SigmaStat graph into other Windows applications like word processors to create presentation-quality documents.