jaccard index two vectors R
jaccard <- function(M, user1, user2) {
sums = rowSums(M[,c(user1, user2)])
similarity = length(sums[sums==2])
total = length(sums[sums==1]) + similarity
similarity/total
}jaccard index two vectors R
jaccard <- function(M, user1, user2) {
sums = rowSums(M[,c(user1, user2)])
similarity = length(sums[sums==2])
total = length(sums[sums==1]) + similarity
similarity/total
}Copyright © 2021 Codeinu
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