Package Exports
- cos1ne-similarity
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Readme
Cos1ne Similarity
Measures similarity between two Strings calculating the cosine of the angle between them.
Returns a value between 0 (completely different) and 1 (same string).
| Param | Type | Description |
|---|---|---|
| string1 | string |
first string to compare |
| string2 | string |
second string to compare |
| termFrequency | boolean |
Considers Terms instead Chars if is set. False by default. |
Install
npm i cos1ne-similarityExamples
const cosSimilarity= require('cos1ne-similarity');
const text= 'I want eat';
const pool = [
'Drink me!',
'Eat me!',
'I would like something to eat'
];
console.log('#Comparing:', text);
for (let i = 0; i < pool.length; i++) {
const similarity = cosSimilarity(text, pool[i]);
console.log('#TEXT:', pool[i], '#->', similarity);
}
// #Comparing: I want eat
// #TEXT: Drink me! #-> 0.30618621784789724
// #TEXT: Eat me! #-> 0.6123724356957945
// #TEXT: I would like something to eat #-> 0.6531972647421809
console.log('#Comparing:', text);
for (let i = 0; i < pool.length; i++) {
const similarity = cosSimilarity(text, pool[i], true);
console.log('#TEXT:', pool[i], '#->', similarity);
}
// #Comparing: I want eat
// #TEXT: Drink me! #-> 0
// #TEXT: Eat me! #-> 0.33333333333333337
// #TEXT: I would like something to eat #-> 0.47140452079103173