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Latent Semantic Analysis
Fridolin Wild
GPL (>= 2)
The basic idea of latent semantic analysis (LSA) is, that text do have a higher order (=latent semantic) structure which, however, is obscured by word usage (e.g. through the use of synonyms or polysemy). By using conceptual indices that are derived statistically via a truncated singular value decomposition (a two-mode factor analysis) over a given document-term matrix, this variability problem can be overcome.
Package Version Released
lsa 0.63-3 3 years 17 weeks ago
lsa 0.63-2 3 years 48 weeks ago
lsa 0.63-1 5 years 6 weeks ago
lsa 0.63 5 years 9 weeks ago
lsa 0.61
lsa 0.59
lsa 0.57
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