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With the increasing amount of unstructured data distance measures get more and more important. I am looking for an online course or any other material which gives me a profound inside in the following areas

Distances based on edits

  • Damerau-Levenshtein
  • Hamming
  • Levenshtein
  • Optimal sting alignment

Distances based on qgrams

  • qgram
  • cosine
  • jaccard distance

Distances based on or heuristic metrics

  • Jaro
  • Jaro-Winkler

Distances based on quantitative computations

  • Geometric
  • Manhattan

As well as the theoretical concepts of distance measures and distance functions and applications such as

  • String comparison
  • Fuzzy matching
  • Clustering

Edit: Any implementations in R such as the agrep / agrepl function and the stringdist package are also welcome.

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Honestly I do not think that such narrowly focused course exists anywhere (online or offline), but there is an Encyclopedia of Distances book by Deza and Deza (2009, Springer) that you could check.

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