ARFF Format

Data format

A description of the ARFF format can be found in the following articles:

• ARFF (stable version)
• ARFF (developer version)

Note how single quotes and spaces are handled:

• Single Quotes in Labels of ARFF Files
• Spaces in Labels of ARFF Files

Creating an ARFF file

How to create an ARFF file on the fly, i.e., inside Java, you can find here:

• Creating an ARFF file

CSV

CSV (comma separated value) files are able to be converted to ARFF format. See:

• Converting CSV to ARFF

XML and XRFF

There is an XML-based extension of the ARFF format. See:

• XRFF
• XML
• Load an XML BIF file

See also

• ARFF Syntax Highlighting for various editors
• ARFF From Text Collections
• Remove Attributes
• Rename Attribute Values
• Save Instances to ARFF
• Transferring and ARFF File into a Databse

Links

• ARFF2DB.py - a Python script for importing an ARFF file into a database (similar functionality to the weka.core.converters.DatabaseSaver class)