Abstract: In this study, we suggested an improved ratio estimator for stratification utilizing an auxiliary variable in simple random sampling. Theoretically, bias ...

YouTube power users thrive on tiny optimizations that save seconds on every video and compound into hours over a year. These 10 genius YouTube hacks focus on concrete tools, hidden menus, and data ...

Abstract: Global path planning and navigation strategies for humanoid robots are different from those for mobile robots, since humanoid robots can step over or upon some obstacles. Sampling-based ...