How to Calculate Spearman's Rank Correlation Coefficient. Spearman's rank correlation coefficient allows you to identify whether two variables relate in a monotonic function (i.

What Is the Rank Correlation Coefficient?: The formula for Spearman's rank correlation coefficient involves the differences <I>d<sub>I</sub></I> between two sets of <I>n</I> rankings.

This document shows students how to calculate Spearman Rank Correlation Coefficient