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Summary of changes in NTSYSpc ver. 2.2

bulletThe user interface for NTSYSpc has been redesigned somewhat (see the sample screen shots). The configuration and customization windows were combined.  
bulletInput file formats have not changed. Matrices in Excel XLS files can now be read directly by the computational modules -- there is no longer a need to import them using the NTedit program. All matrix types, rectangular, symmetric, etc., are now supported. Most modules now allow input and output of files in CSV and matlab file formats.
bulletThe NTedit program has been revised to include a text mode in which very large ASCII files can be edited (files up to 16MB with line lengths up to 32K). Standard cut, copy, paste, and other text editing commands are supported.
bulletGraphics have been greatly improved and can be called directly from many of the computational modules by the use of speed buttons on a toolbar. The entry forms for the graphics programs have also been simplified since the graphic options are now available from option dialog boxes. You can now control the titles, scale, colors, fonts, line widths, etc. of most aspects of the plots. NTS files can now be loaded into the editor by just double-clicking on them in the Windows Explorer or by right-clicking on them and using the Windows "Send to" feature.
bulletNew computational modules have been added: 
bulletCOMBINE - Combines two or more matrices into one.
bulletFACTOR - Performs the initial step (factor extraction) for a factor analysis of a correlation or a covariance matrix. The principal factor and maximum likelihood methods are included. The max diagonal, squared multiple correlation, and Jöreskog (1963) methods for initial communality estimation.
bulletFROTATE - Performs the orthogonal or oblique factor rotation step in a factor analysis. The function plane, primary product function plane, Harris-Kaiser independent cluster, Varimax, and Promax methods are included.
bulletFSCORES - Computes factor scores. The Anderson-Rubin, Bartlett, Least-squares, Regression, multigroup, and Thompson methods are included.
bullet RESAMPLE - Create samples using bootstrap, jackknife, random permutation, or random normal deviates.
bulletSPLIT- Divides a matrix into two or more matrices.
bullet SUMMARY - Summarizes results of a resampling experiment (bootstrap, jackknife, etc.)
bulletSome computational modules have been revised: 
bulletCANPLS - Can now input data files in addition to correlation matrices. Ordination plots and permutation tests are now provided.
bulletCPCA – The output of the statistical tests are now better organized
bullet POOLVCV – Added tests for homogeneity of subsets of covariance matrices.
bullet TPSWTS – New methods added for the computation of the uniform component..

Sample screen shots for NTSYSpc.

Technical details of what is included in NTSYSpc. A list of what was new in the previous (2.1) version of NTSYSpc.

This file was last modified on 5 September. 2006.

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