Cosine Similarity Tutorial Abstract – This is a tutorial on the cosine similarity measure. Its meaning in the context of uncorrelated and orthogonal variables is examined. Keywords: cosine similarity, tutorial, dot products, vectors, orthogonal, uncorrelated Published: 04-10-2015; Updated: 09-15-2018 © Edel Garcia, PhD; admin@minerazzi.com Introduction In previous tutorials we discussed the differ