How To Load CSV Machine Learning Data in Weka

Last Updated on August 22, 2019

You must be able to load your data before you can start modeling it.

In this post you will discover how you can load your CSV dataset in Weka. After reading this post, you will know:

• About the ARFF file format and how it is the default way to represent data in Weka.
• How to load a CSV file in the Weka Explorer and save it in ARFF format.
• How to load a CSV file in the ArffViewer tool and save it in ARFF format.

This tutorial assumes that you already have Weka installed.

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Let’s get started.

How to Talk About Data in Weka

Machine learning algorithms are primarily designed to work with arrays of numbers.

This is called tabular or structured data because it
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