116 citations · 590 across the 35 of their papers we have counts for
13 papers · 1 filter
D-optimal designs via a cocktail algorithm
Yaming Yu
A fast new algorithm is proposed for numerical computation of (approximate) D-optimal designs. This "cocktail algorithm" extends the well-known vertex direction method (VDM; Fedoro…
Some stochastic inequalities for weighted sums
Yaming Yu
We compare weighted sums of i.i.d. positive random variables according to the usual stochastic order. The main inequalities are derived using majorization techniques under certain…
Stochastic Ordering of Exponential Family Distributions and Their Mixtures
Yaming Yu
We investigate stochastic comparisons between exponential family distributions and their mixtures with respect to the usual stochastic order, the hazard rate order, the reversed ha…
Efficient Simulation of a Bivariate Exponential Conditionals Distribution
Yaming Yu
The bivariate distribution with exponential conditionals (BEC) is introduced by Arnold and Strauss [Bivariate distributions with exponential conditionals, J. Amer. Statist. Assoc.…
On an Inequality of Karlin and Rinott Concerning Weighted Sums of i.i.d. Random Variables
Yaming Yu
We present an entropy comparison result concerning weighted sums of independent and identically distributed random variables.
An Inequality for Ratios of Gamma Functions
Yaming Yu
An inequality concerning ratios of gamma functions is proved. This answers a question of Guo and Qi (2003).