Consider a study to evaluate treatment A with a placebo in two or more groups of patients. If treatment A is beneficial to one group of patients and harmful to another, then we say that there is ...

Optimal critical values and times of intermediate testing points are determined to minimize expected sample size in a variety of situations. Two-stage and three-stage models are considered for a ...

Artificial intelligence (AI) has emerged as a transformative force in the business world, offering extraordinary potential to unlock new capabilities and competitive advantages across enterprise ...

Many complex fluids, such as surfactant mesophases, network forming polymers, emulsions etc. do not flow until the applied stress crosses a certain critical value, called the yield stress. Materials ...