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Package

weka.filters.unsupervised.attribute

Synopsis

An instance filter that adds a new attribute to the dataset. The new attribute will contain all missing values.

Options

The table below describes the options available for Add.

Option

Description

attributeIndex

The position (starting from 1) where the attribute will be inserted (first and last are valid indices).

attributeName

Set the new attribute's name.

attributeType

Defines the type of the attribute to generate.

dateFormat

The format of the date values (see ISO-8601).

nominalLabels

The list of value labels (nominal attribute creation only). The list must be comma-separated, eg: "red,green,blue". If this is empty, the created attribute will be numeric.

Capabilities

The table below describes the capabilites of Add.

Capability

Supported

Class

Relational class, String class, Unary class, Binary class, Missing class values, Date class, No class, Empty nominal class, Nominal class, Numeric class

Attributes

Unary attributes, Date attributes, Binary attributes, Nominal attributes, Empty nominal attributes, String attributes, Numeric attributes, Relational attributes, Missing values

Min # of instances

0

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