Get full access to Machine Learning in Java - Second Edition and 60K+ other titles, with a free 10-day trial of O'Reilly.

There are also live events, courses curated by job role, and more.

Start your free trial

Before you start

Before you start, download the latest stable version of Weka (Weka 3.8 at the time of writing) from http://www.cs.waikato.ac.nz/ml/weka/downloading.html.

There are multiple download options available. You'll want to use Weka as a library in your source code, so make sure that you skip the self-extracting executables and download the ZIP archive, as shown in the following screenshot. Unzip the archive and locate weka.jar within the extracted archive:

We'll use the Eclipse IDE to show examples; follow these steps:

Start a new Java project.
Right-click on the project properties, select Java Build Path, click on the Libraries ...

Get Machine Learning in Java - Second Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial

Don’t leave empty-handed

Get Mark Richards’s Software Architecture Patterns ebook to better understand how to design components—and how they should interact.

It’s yours, free.

Get it now

Check it out now on O’Reilly

Dive in for free with a 10-day trial of the O’Reilly learning platform—then explore all the other resources our members count on to build skills and solve problems every day.

Start your free trial Become a member now