A research team at POSTECH has developed a novel multidimensional sampling theory to overcome the limitations of flat optics.

PROC SURVEYSELECT provides a variety of methods for selecting probability-based random samples. With probability sampling, each unit in the survey population has a known, positive probablity of ...

In her first column, APS President Randi Martin makes the case for collaborative research that cuts across research areas. In ...

i.e. a sample of units from the population drawn in accordance with a well-prescribed selection mechanism. This report describes the various sample designs and weighting methods regularly used at ...

Enhanced sampling methods, which can handle long timescales, are promising but have mainly been applied to simple systems.

MDA The results of a new study looking for emerald ash borer in Minnesota is noteworthy and somewhat surprising, scientists say. The Minnesota Department of Agriculture recently ...

If you are using the wrong kind of sampling method for your experiment, this can lead to biased results. Sampling of the area you are studying must be random. It must show no bias – for instance ...

When sampling a population ... The sides of these traps are smooth to stop the mammals escaping. Another method is to use large nets to sweep through grasses or leaves of trees in a process ...

Human Papilloma Virus (HPV) self-sampling promises to make the process of screening for cervical cancer easier, more ...