September 2019
Intermediate to advanced
420 pages
10h 29m
English
book
Machine Learning for OpenCV 4 - Second Edition
by Aditya Sharma, Michael Beyeler (USD), Vishwesh Ravi Shrimali, Michael Beyeler
Content preview from Machine Learning for OpenCV 4 - Second Edition
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Using n-grams to improve the result
One thing to do is to use n-gram counts instead of plain word counts. So far, we have relied on what is known as a bag of words: we simply threw every word of an email into a bag and counted the number of its occurrences. However, in real emails, the order in which words appear can carry a great deal of information!
This is exactly what n-gram counts are trying to convey. You can think of an n-gram as a phrase that is n words long. For example, the phrase Statistics has its moments contains the following 1-grams: Statistics, has, its, and moments. It also has the following 2-grams: Statistics has, has its, and its moments. It also has two 3-grams (Statistics has its and has its moments) and only a single ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.