Spearman S Correlation Coefficient. Spearman s correlation coefficient is a statistical measure of the strength of a monotonicrelationship between paired data. 2 important correlation coefficients pearson spearman 1.
This relationship forms a perfect line. Spearman s rho r s measures the strength and direction of the relationship between two variables to begin you need to add your data to the text boxes below either one value per line or as a comma delimited list. You need two variables that are either ordinal interval or ratio see our types of variable guide if you need clarification.
In statistics spearman s rank correlation coefficient or spearman s ρ named after charles spearman and often denoted by the greek letter ρ displaystyle rho or as r s displaystyle r s is a nonparametric measure of rank correlation.
The spearman s rank coefficient of correlation is a nonparametric measure of rank correlation statistical dependence of ranking between two variables. In a sample it is denoted by and is by design constrained as follows and its interpretation is similar to that of pearsons e g. What are the assumptions of the test. The spearman correlation between two variables is equal to the pearson correlation between the rank values of those two variables.
