OLM

Package

weka.classifiers.misc

Synopsis

This class is an implementation of the Ordinal Learning Method
Further information regarding the algorithm and variants can be found in:

Arie Ben-David (1992). Automatic Generation of Symbolic Multiattribute Ordinal Knowledge-Based DSSs: methodology and Applications. Decision Sciences. 23:1357-1372.

Lievens, Stijn (2003-2004). Studie en implementatie van instantie-gebaseerde algoritmen voor gesuperviseerd rangschikken..

Options

The table below describes the options available for OLM.

Option

Description

averagingType

Choses the way in which the distributions are averaged in the first phase of the algorithm.

classificationType

Sets the classification type.

debug

If set to true, classifier may output additional info to the console.

distanceType

Sets the distance that is to be used by the nearest neighbour rule

extensionType

Sets the extension type to use.

seed

Sets the seed that is used to randomize the instances prior to building the rule bases

sort

If true, the instances are also sorted within the classes prior to building the rule bases.

Capabilities

The table below describes the capabilites of OLM.

Capability

Supported

Class

Missing class values, Binary class, Nominal class

Attributes

Nominal attributes, Unary attributes, Binary attributes, Empty nominal attributes

Min # of instances

0