2 papers
math.ST2016
Score matching estimators for directional distributions
Kanti V Mardia, John T Kent, Arnab K Laha
One of the major problems for maximum likelihood estimation in the well-established directional models is that the normalising constants can be difficult to evaluate. A new general…
math.ST2011
Shrinkage estimation with a matrix loss function
Reman Abu-Shanab, John T. Kent, William E. Strawderman
Consider estimating the n by p matrix of means of an n by p matrix of independent normally distributed observations with constant variance, where the performance of an estimator is…