Jaccard similarity in stringdist package to match words in character string

Question

I would like to use the Jaccard similarity in the stringdist function to determine the similarity of bags of words. From what I can tell, using Jaccard only matches by letters

Answer 1

You can start by tokenizing the sentence and hashing the corresponding list of words to transform your sentences into list of integers, and then use seq_dist() to calculate the distance.

library(hashr); library(stringdist)
f <- 'cat dog person'
g <- 'cat dog ufo'
seq_dist(hash(strsplit(f, "\\s+")), hash(strsplit(g, "\\s+")), method = "jaccard", q = 2)
[1] 0.6666667