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StringDistance Class — langchain Architecture

Architecture documentation for the StringDistance class in base.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  28415ea1_8848_481c_472f_e68140e5dca7["StringDistance"]
  02530704_9a53_33b0_b7e6_7a524bfb049e["base.py"]
  28415ea1_8848_481c_472f_e68140e5dca7 -->|defined in| 02530704_9a53_33b0_b7e6_7a524bfb049e

Relationship Graph

Source Code

libs/langchain/langchain_classic/evaluation/string_distance/base.py lines 41–58

class StringDistance(str, Enum):
    """Distance metric to use.

    Attributes:
        `DAMERAU_LEVENSHTEIN`: The Damerau-Levenshtein distance.
        `LEVENSHTEIN`: The Levenshtein distance.
        `JARO`: The Jaro distance.
        `JARO_WINKLER`: The Jaro-Winkler distance.
        `HAMMING`: The Hamming distance.
        `INDEL`: The Indel distance.
    """

    DAMERAU_LEVENSHTEIN = "damerau_levenshtein"
    LEVENSHTEIN = "levenshtein"
    JARO = "jaro"
    JARO_WINKLER = "jaro_winkler"
    HAMMING = "hamming"
    INDEL = "indel"

Defined In

Source

Frequently Asked Questions

What is the StringDistance class?
StringDistance is a class in the langchain codebase, defined in libs/langchain/langchain_classic/evaluation/string_distance/base.py.
Where is StringDistance defined?
StringDistance is defined in libs/langchain/langchain_classic/evaluation/string_distance/base.py at line 41.

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