Probabilistic Latent Sematic Analysis (Tempered EM and EM)

Version 1.2.0.0 (1.77 MB) by Ikko
Does Probabilitic LSA with Tempered and ordinal EM algorithm
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Updated 9 Apr 2016

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Does Probabilitic LSA with Tempered and ordinal EM algorithm.
This code was inspired by the following code (https://github.com/lizhangzhan/plsa)
As for Tempered EM and pLSA please refer to the following paper
Thomas Hofmann, 2001, Machine Learning, 42, 177-196, Unsupervised Learning by Probabilistic Latent Semantic Analysis
I would be happy to have any suggestions!!

Cite As

Ikko (2026). Probabilistic Latent Sematic Analysis (Tempered EM and EM) (https://www.mathworks.com/matlabcentral/fileexchange/56302-probabilistic-latent-sematic-analysis-tempered-em-and-em), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2015b
Compatible with any release
Platform Compatibility
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Version Published Release Notes
1.2.0.0

Made the code run faster (especially ordinal EM steps...)
1.1.0.0

changed the stopping criteria epsilon2/t in TEM in every b←b*nu steps
simplified some code and changed icon
1.0.0.0