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You're reading from  Mastering Text Mining with R

Product typeBook
Published inDec 2016
Reading LevelIntermediate
PublisherPackt
ISBN-139781783551811
Edition1st Edition
Languages
R
Concepts
Data Mining
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Author (1)
KUMAR ASHISH
KUMAR ASHISH
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KUMAR ASHISH

Ashish Kumar is a seasoned data science professional, a publisher author and a thought leader in the field of data science and machine learning. An IIT Madras graduate and a Young India Fellow, he has around 7 years of experience in implementing and deploying data science and machine learning solutions for challenging industry problems in both hands-on and leadership roles. Natural Language Procession, IoT Analytics, R Shiny product development, Ensemble ML methods etc. are his core areas of expertise. He is fluent in Python and R and teaches a popular ML course at Simplilearn. When not crunching data, Ashish sneaks off to the next hip beach around and enjoys the company of his Kindle. He also trains and mentors data science aspirants and fledgling start-ups.
Read more about KUMAR ASHISH

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Collocation and contingency tables

When we look into a corpus, some words tend to appear in combination; for example, I need a strong coffee, John kicked the bucket, He is a heavy smoker. J. R. Firth drew attention to such words that are not combined randomly into a phrase or sentence. Firth coined the term collocations for such word combinations; the meaning of a word is in part determined by its characteristic collocations. In the field of natural language processing (NLP), the combination of words plays an important role.

Word combinations that are considered collocations can be compound nouns, idiomatic expressions, or combinations that are lexically restricted. This variability in definition is defined by terms such as multi-word expressions (MWE), multi-word units (MWU), bigrams and idioms.

Collocations can be observed in corpora and can be quantified. Multi-word expressions have to be stored as units in order to understand their complete meaning. Three characteristic properties emerge...

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Mastering Text Mining with R
Published in: Dec 2016Publisher: PacktISBN-13: 9781783551811
© 2016 Packt Publishing Limited All Rights Reserved

Author (1)

author image
KUMAR ASHISH

Ashish Kumar is a seasoned data science professional, a publisher author and a thought leader in the field of data science and machine learning. An IIT Madras graduate and a Young India Fellow, he has around 7 years of experience in implementing and deploying data science and machine learning solutions for challenging industry problems in both hands-on and leadership roles. Natural Language Procession, IoT Analytics, R Shiny product development, Ensemble ML methods etc. are his core areas of expertise. He is fluent in Python and R and teaches a popular ML course at Simplilearn. When not crunching data, Ashish sneaks off to the next hip beach around and enjoys the company of his Kindle. He also trains and mentors data science aspirants and fledgling start-ups.
Read more about KUMAR ASHISH

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