Multivariate Software

EQS - Structural Equation Modeling Software

EQSIRT Item Response Theory Software

 
 
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WHY USE EQS?

EQS SETS A NEW STANDARD
Already known for combining technical sophistication with ease of use, EQS makes structural equations modeling even easier with Diagrammer, EQS' new model drawing tool!


NEW DIAGRAMMER MAKES MODELING EASY!
Make just a few clicks on the mouse and you can draw presentation-quality diagrams.  Once your model is drawn, choose Build EQS from the scroll-down menu and EQS runs your model, based on the diagram.  Use of command language is no longer necessary!  When you are ready to present results, simply print the diagram directly or cut and paste into your favorite word processor for final production.


IMPROVED WORKFLOW WITH EQS
EQS features everything one would expect from a Windows application with point and click features for quick access to any EQS test.  Data preparation and evaluation that previously had to be done with other programs is now handled seamlessly and efficiently within EQS.  Simply enter data directly into EQS' Spreadsheet Editor, import via standard formats (dBase, Lotus, etc.), or cut and paste data (raw data, correlation matrix, etc.) from another package.  In the spreadsheet users can easily transform variables, edit data, or perform exploratory factor analysis to create an automatic model setup.


FULL RANGE OF MODELING FEATURES
EQS tests the full range of structural equations models including multiple regression, multivariate regression, confirmatory factor analysis, structured means analysis and multiple population comparisons.  EQS also includes polyserial and polychoric correlations for treating categorical data, the Satorra-Bentler scaled chi-square statistic, enhancements to the RETEST and WTEST options, and the ability to import weight matrices.


EXTENSIVE STATISTICAL AND PLOTTING OPTIONS
EQS combines statistical analysis capabilities (descriptive, t tests, ANOVA, multiple and stepwise regression, etc.) with data exploration plots (scatter plot, histogram, matrix plot, pie chart, multiple plot, etc.) to provide researchers with coordinated algebraic as well as graphical views of their data.  Insights gained from these views will help users to efficiently formulate an optimal model.  There is no need to switch between different software packages to perform various analyses, allowing users more time to focus on their model.


PREFERRED BY RESEARCHERS WORLDWIDE
EQS currently serves thousands of researchers in psychology, education, economics, market research, sociology, and other fields utilizing structural equations modeling techniques.  Once you have tried EQS, you will agree that it provides researchers with greater ease of use than any other structural equations modeling package available.

 

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