Package idl.tmt.representation.transformations

Interface Summary

CollectionTransformation

Generic interface to support transformations on an indexed collection.

Class Summary

BinarizeAllTermsTransformation	Created on Jun 22, 2004
MatrixColumnCenterer	Centers the term documennt matrix's columns around their mean
MatrixRowNormalizer	Normalizes the term document matrix's columns to unit length
StopListFilter	Created on Jun 14, 2004
TermOccurrenceFilter	Matrix transformation that filters columns (terms) out of the matrix based on max or min occurrences.
TfIdfWeighter	weights all cells of the term-document matrix by the tf-idf weight