Class: Clusterer::DocumentBase

Inherits:

Hash

Object
Hash
Clusterer::DocumentBase

Includes:: DocumentSimilarity

Defined in:: lib/clusterer/document_base.rb

Direct Known Subclasses

Document, DocumentsCentroid

Instance Method Summary collapse

#vector_length ⇒ Object

Methods included from DocumentSimilarity

#cosine_similarity

Instance Method Details

#vector_length ⇒ `Object`



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# File 'lib/clusterer/document_base.rb', line 28

def vector_length
  @vector_length ||= Math.sqrt(self.inject(0) {|n,y| n + y[1]*y[1]}) 
end