profile
Compute and return the profile of s, as defined by Ukkonen (Ukkonen 1992). The profile is the number of occurrences of k-shingles, and is used to compute q-gram similarity, Jaccard index, etc. Pay attention: the memory requirement of the profile can be up to \(k \times \text{size of the string}\)
Return
the profile of this string, as an unmodifiable Map
Parameters
string