cosine {epos}

Calculate cosine similarity metric

Description

Calculate cosine similarity metric

Usage

cosine(ainterb, lengtha, lengthb)

Arguments

ainterb

integer value with number of intersecting elements between set a and b

lengtha

integer value with the number of items in set a

lengthb

integer value with the number of items in set b

Value

cosine double vlaue with the cosine similarity coefficient

Examples

cosine(1,3,4)