Pearson correlation
Revision as of 13:24, 6 June 2011 by Zeno Gantner (talk | contribs) (Created page with "The '''Pearson correlation''' is also called '''Pearson product-moment correlation coefficient''' ('''PMCC'''). It measures the correlation (similarity) between to random var...")
The Pearson correlation is also called Pearson product-moment correlation coefficient (PMCC). It measures the correlation (similarity) between to random variables (in collaborative filtering: user or item vectors). The values lie between -1 (opposite values) and +1 (equality).
