Association Measures

About | Software


Association measures quantify the degree to which two terms or concepts are associated based on their co-occurrence found in text.


  • UMLS-Association -- is a freely available software package that can be used to quantify the strength of association between UMLS concepts using co-occurrence information from the Metamapped Medline Baseline. Given two medical terms as input, the output will be a numeric score that indicates how associated the terms are. It utilizes the Ngram Statistics Package which implements a variety of standard measures association including Fisher's exact test, the log likelihood ratio, Pearson's chi-squared test, the Dice Coefficient, etc.

  • Last modified 06/08/2015