Variable computeInverseDocumentFrequency`Const`

computeInverseDocumentFrequency: (documents: Document[]) => WordScore

Calculate IDF (Inverse Document Frequency)

Type declaration

- (documents: Document[]): WordScore
- Parameters
  - documents: Document[]
    The documents to calculate IDF from
  Returns WordScore
  A dictionary of words and their IDF

Example

const documents = [
  ['a', 'b', 'c'],
  ['a', 'b', 'd'],
]
const result = computeInverseDocumentFrequency(documents)
result // => { a: 0.0, b: 0.0, c: 0.6931471805599453, d: 0.6931471805599453 }