pairwise_ochiai: Pairwise ochiai Similarity Coefficient

In ttrodrigz/onezero: Analysis tools for binary (0/1) data

Pairwise ochiai Similarity Coefficient

Description

Calculates the pairwise Ochiai similarity coefficient. Also known as the cosine similarity measure.

Usage

pairwise_ochiai(data, cols, case_weights)

pairwise_cosine(data, cols, case_weights)

Arguments

data	A data frame.
cols	Columns to analyze.
case_weights	An optional column of case weights.

Details

• Metric: Similarity

• Symmetrical: Yes

• Upper Limit: 1

• Lower Limit: 0

		B
		1	0
A	1	a	b
	0	c	d

Ochiai = a/sqrt((a+b)*(a+c))

Value

A matrix.

Examples

res <- pairwise_ochiai(
    data = FoodSample,
    cols = Bisque:Turkey
)

print(res)

tidy(res)

ttrodrigz/onezero documentation built on May 9, 2023, 2:59 p.m.