About 750 log swings, made in China and imported by Far East Brokers and Consultants Inc., were recalled because the back of the seat can separate from the unit while in use, posing a fall hazard to ...

Updated 10:25 p.m. ET If there's a formula for silly science, Ig Nobel founder Marc Abrahams surely has it figured out. For 21 years, he and his friends at the Annals of Improbable Research have made ...

We present a simple sample-size formula for weighted log-rank statistics applied to clustered survival data with variable cluster sizes and arbitrary treatment assignments within clusters. This ...

An advantage of the supremum log-rank over the standard log-rank statistic is an increased sensitivity to a wider variety of stochastic ordering alternatives. In this article, we develop a formula for ...