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String.jaro_distance/2 (Elixir)

Last updated at Posted at 2020-12-21

この記事はElixir その2 Advent Calendar 2020 22日目です。


はじめに

  • Elixir楽しんでいますか:bangbang:

String.jaro_distance/2

  • この関数、知っていますか
  • 2つの文字列がどのくらい似ているかを0.0〜1.0の間で評価するものだそうです

Computes the Jaro distance (similarity) between two strings.
Returns a float value between 0.0 (equates to no similarity) and 1.0 (is an exact match) representing Jaro distance between string1 and string2.

具体例

iex> String.jaro_distance("awesome", "awesome")
1.0
iex> String.jaro_distance("cat", "fish")     
0.0
iex> String.jaro_distance("osamu", "awesome")  
0.565079365079365
iex> String.jaro_distance("osamu", "ozamu") 
0.8666666666666667
iex> String.jaro_distance("erlang", "elixir")
0.5555555555555555
iex> String.jaro_distance("ruby", "elixir")  
0.0
  • だいたい動きはわかりました
  • $\huge{で!? 何に使うのジャロ?}$

実例のご紹介【2022-03-18 追記】

読者の方から実例についてのお便りをいただきました。
ここに御礼を申し上げるとともに、追記にて実例のご紹介をしておきます。

SurfaceDid you mean?機能で使っているとのことです。

スクリーンショット 2022-03-18 18.52.21.png

読者の方というのは、 @mnishiguchi さんのことです!
elixir.jp Slackの#autoracexチャンネルにてご連絡いただきました。
Thanks a lot!!!です。

Wrapping Up :christmas_tree::santa::santa_tone1::santa_tone2::santa_tone3::santa_tone4::santa_tone5::christmas_tree:

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