Package

weka.filters.unsupervised.attribute

Synopsis

A filter that adds new attributes with user specified type and constant value. Numeric, nominal, string and date attributes can be created. Attribute name, and value can be set with environment variables. Date attributes can also specify a formatting string by which to parse the supplied date value. Alternatively, a current time stamp can be specified by supplying the special string "now" as the value for a date attribute.

Options

The table below describes the options available for AddUserFields.

Option	Description
attributeSpecs	Specifications of the new attributes to create

Capabilities

The table below describes the capabilities of AddUserFields.

Capability	Supported
Class	String class, No class, Numeric class, Nominal class, Date class, Unary class, Binary class, Empty nominal class, Relational class
Attributes	Nominal attributes, Numeric attributes, Binary attributes, String attributes, Date attributes, Missing values, Empty nominal attributes, Relational attributes, Unary attributes
Min # of instances	0

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