MPCA

MPCA is a comprehensive suite of tools for doing discrete principal components analysis on data sets of size 100Mb or more.
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MPCA Ranking & Summary

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  • Rating:
  • License:
  • GPL
  • Price:
  • FREE
  • Publisher Name:
  • Wray Buntine
  • Publisher web site:
  • http://www.componentanalysis.org/wiki/index.php/Component_Analysis

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MPCA Description

MPCA is a comprehensive suite of tools for doing discrete principal components analysis on data sets of size 100Mb or more. MPCA is a comprehensive suite of tools for doing discrete principal components analysis on data sets of size 100Mb or more. Scaling is done using sparse vectors, multi-threading, memory mapping, and other POSIX tricks.Reports, file dumping utilities and other utilities are included. The general problem of discrete components analysis is variously called grade of membership, PLSA, non-neg.matrix factorization, multinomial admixtures, LDA, and multinomial PCA.What's New in This Release:· Some linkages to the ALVIS system allow the software to be used to create topic models and annotate linguistically tagged content. · Some cleanups with the linkBags Perl utilities have been moved out to CPAN. · To see some of the models in action, visit the search demos at.


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