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lsa: Latent Semantic Analysis

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.

Version: 0.73.3
Depends: SnowballC
Suggests: tm
Published: 2022-05-09
Author: Fridolin Wild
Maintainer: Fridolin Wild <wild at brookes.ac.uk>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
Materials: ChangeLog
In views: NaturalLanguageProcessing
CRAN checks: lsa results

Documentation:

Reference manual: lsa.pdf

Downloads:

Package source: lsa_0.73.3.tar.gz
Windows binaries: r-devel: lsa_0.73.3.zip, r-release: lsa_0.73.3.zip, r-oldrel: lsa_0.73.3.zip
macOS binaries: r-release (arm64): lsa_0.73.3.tgz, r-oldrel (arm64): lsa_0.73.3.tgz, r-release (x86_64): lsa_0.73.3.tgz, r-oldrel (x86_64): lsa_0.73.3.tgz
Old sources: lsa archive

Reverse dependencies:

Reverse depends: AurieLSHGaussian, LSAfun
Reverse imports: aPEAR, ccmap, CellScore, CoreGx, DTWBI, DTWUMI, IBCF.MTME, MACP, OmicsQC, RESOLVE
Reverse suggests: quanteda, quanteda.textmodels, Signac, SpatialDDLS

Linking:

Please use the canonical form https://CRAN.R-project.org/package=lsa to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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