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Mastering Machine Learning with Spark 2.x

You're reading from   Mastering Machine Learning with Spark 2.x Harness the potential of machine learning, through spark

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Product type Paperback
Published in Aug 2017
Publisher Packt
ISBN-13 9781785283451
Length 340 pages
Edition 1st Edition
Languages
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Authors (3):
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Alex Tellez Alex Tellez
Author Profile Icon Alex Tellez
Alex Tellez
Michal Malohlava Michal Malohlava
Author Profile Icon Michal Malohlava
Michal Malohlava
Max Pumperla Max Pumperla
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Max Pumperla
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Toc

The dataset

The Large Movie Review Database, originally published in the paper, Learning Word Vectors for Sentiment Analysis, by Andrew L. Maas et al, can be downloaded from http://ai.stanford.edu/~amaas/data/sentiment/.

The downloaded archive contains two folders labeled train and test. For train, there are 12,500 positive reviews and 12,500 negative reviews that we will train a classifier on. The test dataset contains the same amount of positive and negative reviews for a grand total of 50,000 positive and negative reviews amongst the two files.

Let's look at an example of one review to see what the data looks like:

"Bromwell High is nothing short of brilliant. Expertly scripted and perfectly delivered, this searing parody of students and teachers at a South London Public School leaves you literally rolling with laughter. It's vulgar, provocative, witty and sharp...
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