July 2017
Intermediate to advanced
796 pages
18h 55m
English
Content preview from Scala and Spark for Big Data Analytics
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TF-IDF (term frequency - inverse document frequency)
TF-IDF measures how frequently words appear in documents and the relative frequency across the set of documents. This information can be used in building classifiers and predictive models. The examples are spam classification, chat conversations, and so on.
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