Data Files

Weka

by University of Waikato · opens 2 file types
Windows
AT A GLANCE
DeveloperUniversity of Waikato
PlatformsWindows
Opens2 file types
Get it fromwww.cs.waikato.ac.nz
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2 file types verified
Last reviewed Nov 2026

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What is Weka?

Weka (Waikato Environment for Knowledge Analysis) is an open-source collection of machine learning algorithms and data preprocessing tools developed at the University of Waikato, New Zealand. It provides a graphical workbench for classification, regression, clustering, and association rule learning, primarily using its native .arff data format.

Files Weka opens

2 formats
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1 conversions

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Download Weka

SOURCEwww.cs.waikato.ac.nzofficial site - avoid third-party download portals
PLATFORMSWindows

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programs & formats

Files Weka opens most

1.ARFFAttribute-Relation File Format
2.XRFFWeka extensible attribute relation file

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