Latent Semantic Analysis


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Documentation for package ‘lsa’ version 0.73.3

Help Pages

alnumx Regular expression for removal of non-alphanumeric characters (saving special characters)
as.textmatrix Display a latent semantic space generated by Latent Semantic Analysis (LSA)
associate Find close terms in a textmatrix
corpus_essays Corpora (Essay Scoring)
corpus_scores Corpora (Essay Scoring)
corpus_training Corpora (Essay Scoring)
cosine Cosine Measure (Matrices)
delTriple Bind Triples to a Textmatrix
dimcalc Dimensionality Calculation Routines (LSA)
dimcalc_fraction Dimensionality Calculation Routines (LSA)
dimcalc_kaiser Dimensionality Calculation Routines (LSA)
dimcalc_ndocs Dimensionality Calculation Routines (LSA)
dimcalc_raw Dimensionality Calculation Routines (LSA)
dimcalc_share Dimensionality Calculation Routines (LSA)
entropy Weighting Schemes (Matrices)
fold_in Ex-post folding-in of textmatrices into an existing latent semantic space
getSubjectId Bind Triples to a Textmatrix
getTriple Bind Triples to a Textmatrix
gw_entropy Weighting Schemes (Matrices)
gw_gfidf Weighting Schemes (Matrices)
gw_idf Weighting Schemes (Matrices)
gw_normalisation Weighting Schemes (Matrices)
lsa Create a vector space with Latent Semantic Analysis (LSA)
lw_bintf Weighting Schemes (Matrices)
lw_logtf Weighting Schemes (Matrices)
lw_tf Weighting Schemes (Matrices)
print.textmatrix Print a textmatrix (Matrices)
query Query (Matrices)
sample.textmatrix Create a random sample of files
setTriple Bind Triples to a Textmatrix
specialchars List of special character html entities and their character replacement
stopwords_ar Stopwordlists in German, English, Dutch, French, Polish, and Arab
stopwords_de Stopwordlists in German, English, Dutch, French, Polish, and Arab
stopwords_en Stopwordlists in German, English, Dutch, French, Polish, and Arab
stopwords_fr Stopwordlists in German, English, Dutch, French, Polish, and Arab
stopwords_nl Stopwordlists in German, English, Dutch, French, Polish, and Arab
stopwords_pl Stopwordlists in German, English, Dutch, French, Polish, and Arab
summary.textmatrix Summary of a textmatrix (Matrices)
textmatrix Textmatrix (Matrices)
textvector Textmatrix (Matrices)