bdp4R: Big Data Preprocessing For R

Description Usage Arguments Format Details Inherit Methods Public fields See Also

This class allows you to preprocess the data of an instance to find the emoticons that are in it. Optionally, you can decide whether to remove the data emoticons or not.

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FindEmoticonPipe$new(propertyName = "Emoticon",
                     alwaysBeforeDeps = list(),
                     notAfterDeps = list("FindHashtagPipe"))

`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).

An object of class R6ClassGenerator of length 24.

The regular expression indicated in the emoticonPattern variable is used to identify emoticons.

The pipe will invalidate the instance in the moment that the resulting data is empty.

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

pipe Function that preprocesses the instance to obtain/remove the emoticons.
- Usage
  
  pipe(instance, removeEmoticon = TRUE)
- Value
  
  The instance with the modifications that have occurred in the pipe.
- Arguments
  - instance (Instance) Instance to preproccess.
  - removeEmoticon (logical) Indicates if the emoticons are replaced.
findEmoticon Function that find the emoticons in the data.
- Usage
  
  findEmoticon(data)
- Value
  
  List with emoticons found.
- Arguments
  - data (character) Text in which the emoticons are searched.
removeEmoticon Function that removes the emoticons in the data.
- Usage
  
  removeEmoticon(data)
- Value
  
  The data with emoticons removed.
- Arguments
  - data (character) Text in which emoticons will be removed.