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 user names that are in it. Optionally, you can decide whether to remove the data user names or not.

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FindUserNamePipe$new(propertyName = "userName",
                     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 regular expressions indicated in the userPattern variable are used to identify user names.

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 name users.
- Usage
  
  pipe(instance, removeUser = TRUE)
- Value
  
  The instance with the modifications that have occurred in the pipe.
- Arguments
  - instance (Instance) Instance to preproccess.
  - removeUser (logical) Indicates if the users are removed.
findUserName Function that find the users in the data.
- Usage
  
  findHashtag(data)
- Value
  
  List with users found.
- Arguments
  - data (character) Text in which the user names are searched.
removeUserName Function that removes the users in the data.
- Usage
  
  removeUserName(data)
- Value
  
  The data with users removed.
- Arguments
  - data (character) Text in which name users will be removed.