correlation vs mapping

correlation

noun
  • An isomorphism from a projective space to the dual of a projective space, often to the dual of itself. 

  • A reciprocal, parallel or complementary relationship between two or more comparable objects. 

  • One of the several measures of the linear statistical relationship between two random variables, indicating both the strength and direction of the relationship. 

mapping

noun
  • A function that maps every element of a given mathematical structure (eg: a set) to a unique element of another structure; a correspondence. 

  • The process of locating genes on a chromosome. 

  • conversion of data types between incompatible type systems. 

  • Assigning a PC to a shared drive or printer port on a network. 

  • The process of making maps. 

How often have the words correlation and mapping occurred in a corpus of books? (source: Google Ngram Viewer )