3 ms·

What is tf-idf, if you don’t mind me asking

• 8note 6y ago
  It's a search scoring algorithm, combining how frequently the search term is used in a document with how frequently it appears in other documents. A word that shows up in the document and no others means it gets a very high score, vs "and" shows up in every document and thus doesn't score well for any
• dwhit 6y ago
  https://lmgtfy.app/?q=tf+idf https://lmgtfy.app/?q=tf+idf
• nullsense 6y ago
  Term Frequency/Inverse Document Frequency. It's what Apache Lucene does which is what ElasticSearch uses under the hood.