We have developed a fast, reliable and easily reproducible semiautomated quantitative damage grading scheme to assess axonal loss in the optic nerve after inducing ocular hypertension using a laser ...

The method of systematic random sampling (METHOD=SYS) selects units at a fixed interval throughout the sampling frame or stratum after a random start. PROC SURVEYSELECT chooses the first unit randomly ...

A study by the universities of Cordoba and Seville develops a method that makes it possible to verify, easily and quickly, whether an olive plantation is traditional, intensive, or super-intensive.

Abstract: In this article, we introduce a classical algorithm for random sampling of permutations, drawing inspiration from the Steinhaus–Johnson–Trotter algorithm. Our approach takes a comprehensive ...

The first video in our “Methods 101” series is about random sampling, a concept that undergirds all probability-based survey research. Here’s how it works. Fresh data delivered Saturday mornings Thank ...