GuessLanguagePipe: Class to guess the language
In miferreiro/bdp4R: Big Data Preprocessing For R

Description Usage Arguments Format Details Inherit Methods See Also

Class to guess the language by using language detector of library cld2. Optionally, it is possible to choose the language provided by twitter.

GuessLanguagePipe$new(propertyName = "language",
                      alwaysBeforeDeps = list("StoreFileExtensionPipe",
                                              "TargetAssigningPipe",
                                              "StripHTMLPipe"),
                      notAfterDeps = list())

`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 pipe will invalidate the instance if the language of the data can not be detect.

To obtain the language of the tweets, it will be verified that there is a json file with the information stored in memory.

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

pipe Function that preprocesses the instance to obtain the language of the data.
- Usage
  
  pipe(instance, languageTwitter = TRUE)
- Value
  
  The instance with the modifications that have occurred in the pipe.
- Arguments
  - instance (Instance) Instance to preproccess.
  - languageTwitter (logical) Indicates whether for the instances of type twtid the language that returns the api is obtained or the detector is applied.
getLanguage Function that guess the language of data.
- Usage
  
  getLanguage(data)
- Value
  
  The language guesser. Format: see ISO 639-3:2007.
- Arguments
  - data (character) Text to guess the language.