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Quiz 9 Question 18 of 20

IDF in a Spark text pipeline down-weights terms that:

Select an answer to reveal the explanation.

Motivation

Short Explanation and Infographic

IDF reduces weight of ubiquitous tokens so rare discriminative terms shine.

Full explanation below image

Educational infographic 1024x768 for Databricks ML: tfidf spark. Clean lakehouse blue/orange diagram style, DBML q178.

Full Explanation

TF-IDF = term frequency adjusted by inverse document frequency.

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Original, similar-concept practice questions — not real exam questions and not brain-dump content.

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