Package
weka.filters.unsupervised.attribute
Synopsis
A filter that creates a new dataset with a boolean attribute replacing a nominal attribute. In the new dataset, a value of 1 is assigned to an instance that exhibits a particular range of attribute values, a 0 to an instance that doesn't. The boolean attribute is coded as numeric by default.
Options
The table below describes the options available for MakeIndicator.
Option | Description |
---|---|
attributeIndex | Sets which attribute should be replaced by the indicator. This attribute must be nominal. |
numeric | Determines whether the output indicator attribute is numeric. If this is set to false, the output attribute will be nominal. |
valueIndices | Specify range of nominal values to act on. This is a comma separated list of attribute indices (numbered from 1), with "first" and "last" valid values. Specify an inclusive range with "-". E.g: "first-3,5,6-10,last". |
Capabilities
The table below describes the capabilites of MakeIndicator.
Capability | Supported |
---|---|
Class | String class, Relational class, Unary class, Binary class, Empty nominal class, Numeric class, Missing class values, Date class, Nominal class, No class |
Attributes | String attributes, Nominal attributes, Missing values, Unary attributes, Binary attributes, Empty nominal attributes, Relational attributes, Date attributes, Numeric attributes |
Min # of instances | 0 |