sampleclean.clean.featurize

Tokenizer

abstract class Tokenizer extends AnyRef

This is a tokenizer super-class.

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Instance Constructors

  1. new Tokenizer()

Abstract Value Members

  1. abstract def tokenSet(text: String): Seq[String]

    This function converts a string into a list of tokens.

    This function converts a string into a list of tokens. It also filters out empty tokens.

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  18. def toString(): String

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  19. def tokenize(row: Row, cols: List[Int]): Seq[String]

    This function takes specified row columns and produces a list of tokens.

    This function takes specified row columns and produces a list of tokens. Each token could be a combination of multiple rows, depending on the current tokenSet() function.

    row
    cols

    column indices used for tokenization

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