Inverse Document Frequency

Creator

Creator

Created

Created

2025 Jan 15 15:30

Editor

Editor

Edited

Edited

2025 Jan 15 15:31

Refs

Refs

1972

IDF_t = log_{10}(N/n_t)

$N=$ number of document in collection

$n_t =$ number of documents in which term $t$ appears

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