janfish/similarity-library

Similarity Algorithm Library

dev-master 2020-11-16 09:10 UTC

Requires

• php: >=7.1
• ext-bcmath: *

MIT

• Robert

README

Algorithms

• Jaccard Index

$alg = new \Janfish\Algorithm\Similarity(Similarity::JI_ALG);
$alg->setVectors([1, 2, 3, 4, 5], [3, 4, 56, 7, 2]);
var_dump($alg->compare());

• Manhattan Distance

$alg = new Similarity(Similarity::MD_ALG);
$alg->setVectors([1, 2, 3, 4, 5], [3, 4, 56, 7, 2, 2, 3, 4]);
var_dump($alg->compare());

• Euclidean Distance

$alg = new \Janfish\Algorithm\Similarity(Similarity::ED_ALG);
$alg->setVectors([1, 2, 3, 4, 5], [3, 4, 56, 7, 2]);
var_dump($alg->compare());

• Consinus Included Angle

$alg = new \Janfish\Algorithm\Similarity(Similarity::CIA_ALG);
$alg->setVectors([1, 2, 3, 4, 5], [3, 4, 56, 7, 2]);
var_dump($alg->compare());

All Methods

$alg = new \Janfish\Algorithm\Similarity();
$alg->setVectorA([1, 2, 3, 4, 5]);
$alg->setVectorB([3, 4, 56, 7, 2]);
$alg->setScale(7);
$alg->compare();