ReplaceMissingWithUserConstant

Package

weka.filters.unsupervised.attribute

Synopsis

Replaces all missing values for nominal, string, numeric and date attributes in the dataset with user-supplied constant values.

Options

The table below describes the options available for ReplaceMissingWithUserConstant.

Option

Description

attributes

Specify range of attributes to act on. This is a comma separated list of attribute indices, with "first" and "last" valid values. Specify an inclusive range with "-". E.g: "first-3,5,6-10,last". Can alternatively specify a comma separated list of attribute names. Note that you can't mix indices and attribute names in the same list

dateFormat

The formatting string to use for parsing the date replacement value

dateReplacementValue

The constant to replace missing values in date attributes with

ignoreClass

The class index will be unset temporarily before the filter is applied.

nominalStringReplacementValue

The constant to replace missing values in nominal/string attributes with

numericReplacementValue

The constant to replace missing values in numeric attributes with

Capabilities

The table below describes the capabilities of ReplaceMissingWithUserConstant.

Capability

Supported

Class

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

Attributes

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

Min # of instances

0