bdp4R: Big Data Preprocessing For R

Description Usage Arguments Format Details Inherit Methods See Also

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

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FindEmojiPipe$new(propertyName = "Emojis",
                  alwaysBeforeDeps = list(),
                  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 emoji list that is used is the one provided by the variable emojis of the rtweet package.

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/replace the abbreviations.
- Usage
  
  pipe(instance, replaceEmoji = TRUE)
- Value
  
  The instance with the modifications that have occurred in the pipe.
- Arguments
  - instance (Instance) Instance to preproccess.
  - replaceEmoji (logical) Indicate if the emojis are replaced.
findEmoji Function that checks if the emoji is in the data.
- Usage
  
  findEmoji(data, emoji)
- Value
  
  TRUE or FALSE depending on whether the emoji is on the data.
- Arguments
  - data (character) Text in which the emoji is searched.
  - emoji (character) Indicates the emoji to find.
replaceEmoji Function that replaces the emoji in the data for the extendedEmoji.
- Usage
  
  replaceEmoji(emoji, extendedEmoji, data)
- Value
  
  The data with emoji replaced.
- Arguments
  - emoji (character) Indicates the emoji to remove.
  - extendedEmoji (character) Indicates the string to replace for the emoji found.
  - data (character) Text in which emojis will be replaced.