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math.ST2026
A Circular Chatterjee's Correlation Coefficient
Sourav Majumdar
Chatterjee's rank correlation is a directed measure of association designed to detect whether one variable can be predicted as a function of another. While the original coefficient…
math.ST2026
Markov processes on a circular lattice
Sourav Majumdar
We develop a Markov process viewpoint for discrete circular distributions motivated by directional-statistics settings where angles are observed on a finite grid and evolve over ti…