Skip to Content
Java: Data Science Made Easy
book

Java: Data Science Made Easy

by Richard M. Reese, Jennifer L. Reese, Alexey Grigorev
July 2017
Beginner to intermediate
715 pages
17h 3m
English
Packt Publishing
Content preview from Java: Data Science Made Easy

Building the sentiment model

Now we are ready to build our model. We loop through the labels array, which contains pos and neg, and for each label we create a new Classification object. We then create a new file using this label and use the listFiles method to create an array of filenames. Next, we will traverse these filenames using a for loop:

public void buildSentimentAnalysisModel() {     out.println("Building Sentiment Model");     File trainingDir = new File("\\path to file\\txt_sentoken");     for (int i = 0; i < labels.length; i++) {         Classification classification =              new Classification(labels[i]);         File file = new File(trainingDir, labels[i]);         File[] trainingFiles = file.listFiles();         ...     } } 

 

Within the for loop, we extract the tweet ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Java Data Science Cookbook

Java Data Science Cookbook

Rushdi Shams
Java for Data Science

Java for Data Science

Walter Molina, Richard M. Reese, Shilpi Saxena, Jennifer L. Reese

Publisher Resources

ISBN: 9781788475655Supplemental Content