What is Pearson correlation - Meaning and definition

Published by Roberto Wenk. Reviewed by Alison Ramsey. Last updated date: January 23, 2019.

A statistical method of analysis that assesses the strength and direction of a linear association between two variables.

Correlation ranges from -1 to +1. Values near 0 indicate little or no linear association. Values close to +1 indicate a strong linear association.

Karafa MT, Rybicki LA. Biostatistics and Epidemiology. In: Walsh D (ed), Palliative Medicine, Saunders Elsevier, Philadelphia, 2009. p. 159.

To cite

Pearson correlation. IAHPC Pallipedia. https://pallipedia.org/pearson-correlation/. Accessed