Purpose: In continuous improvement (CI) projects, cause-and-effect diagrams are used to qualitatively express the relationship between a given problem and its root causes. However, when data collection activities are limited, and advanced statistical analyses are not possible, practitioners...

The National Institute for Health and Clinical Excellence (NICE) invited the manufacturer of alitretinoin (Basilea Pharmaceuticals Ltd, Basel, Switzerland) to submit evidence for the clinical and cost effectiveness of this drug for the treatment of patients with severe chronic hand eczema (CHE),...

We calculate several hitting time probabilities for a correlated multidimensional Brownian bridge process, where the boundaries are hyperplanes that move linearly with time. We compute the probability that a Brownian bridge will cross a moving hyperplane if the endpoints of the bridge lie on the...