similarity

How alike two texts are, from 0 to 1.

Details #

similarity(a, b) is 1 for the same text and 0 for nothing in common: one minus the edit distance divided by the longer length. Case and accents are ignored, so Café and cafe are 1. Two empty texts are 1.

Parameters #

Takes 2 arguments. {{ similarity(text, b) }}

Examples #

similarity("kitten", "sitting")

→ 0.571

similarity(a, b) > 0.8

→ true

Sample variable	Value
`a`	`colour`
`b`	`color`

Gotchas #

It counts characters, not meaning.