bdpar (version 1.0.1)

ToLowerCasePipe: Class to convert the data field of an Instance to lower case

Description

Class to convert the data field of an Instance to lower case.

Usage

ToLowerCasePipe

Format

An object of class R6ClassGenerator of length 24.

Constructor

ToLowerCasePipe$new(propertyName = "",
                    alwaysBeforeDeps = list(),
                    notAfterDeps = list())

• Arguments:

  • propertyName: (character) name of the property associated with the Pipe.

  • alwaysBeforeDeps: (list) the dependences alwaysBefore (Pipes that must be executed before this one).

  • notAfterDeps: (list) the dependences notAfter (Pipes that cannot be executed after this one).

Inherit

This class inherits from PipeGeneric and implements the pipe abstract function.

Methods

• pipe: preprocesses the Instance to convert the data to lower case.

  • Usage: pipe(instance)

  • Value: the Instance with the modifications that have occurred in the Pipe.

  • Arguments:

    • instance: (Instance) Instance to preproccess.

• toLowerCase: converts the data to lower case.

  • Usage: toLowerCase(data)

  • Value: data in lower case.

  • Arguments:

    • data: (character) text to preproccess.

See Also

AbbreviationPipe, ContractionPipe, File2Pipe, FindEmojiPipe, FindEmoticonPipe, FindHashtagPipe, FindUrlPipe, FindUserNamePipe, GuessDatePipe, GuessLanguagePipe, Instance, InterjectionPipe, MeasureLengthPipe, PipeGeneric, ResourceHandler, SlangPipe, StopWordPipe, StoreFileExtPipe, TargetAssigningPipe, TeeCSVPipe