Spearman Rank Coefficient (\(\rho\))
Abbreviations & other names:
- \(\rho\)
- rs
Comparison to other tests
Purpose
- Similar to Pearson Correlation Coefficient1
- Ordinal data1
- Not restricted to Continuous variables1
- Ranking converts nonlinear data into a linear relationship1
Measure: Strength of relationship between the ranks of the values of 2 variables1
Range
-1 to +11
Interpretation
Observed correlation does NOT assume causation only Association1
References
1.
Schober P, Boer C, Schwarte LA. Correlation Coefficients: Appropriate Use and Interpretation. Anesthesia and Analgesia. 2018;126(5):1763-1768. doi:10.1213/ANE.0000000000002864
Citation
For attribution, please cite this work as:
Yomogida N, Kerstein C. Spearman Rank
Coefficient ($\rho$). https://yomokerst.com/The
Archive/Evidene Based Practice/Multivariate Data
Analysis/Correlation/spearman_rank_coefficient.html