Some main ideas: In subsampling designs, the observational units are a random subsample from each of the experimental units to which treatments are assigned. In split plot designs, one treatment ...

Marines assigned to the legendary "Dark Horse" battalion may get the chance to try out new gear, technology, and fighting methods before they are introduced service-wide.

Marine Corps Commandant Gen. Robert Neller said Friday that 3rd Battalion, 5th Marines, out of Camp Pendleton, Calif., would spend the next year acting as the Corps' experimental unit, working ...