Sampling Methods: I thought it was just about 'choosing at random'

When I first encountered this term, I ended it with, "It's just choosing at random, I know that." I remember feeling a bit ...
Hackaday

Reservoir Sampling, Or How To Sample Sets Of Unknown Size

Selecting a random sample from a set is simple. But what about selecting a fair random sample from a set of unknown or indeterminate size? That’s where reservoir sampling comes in, and [Sam Rose] has ...
Medical Xpress

How a random sampling regimen could help detect COVID and highlight infection hotspots

For the detection of community transmission of COVID-19, New Zealand currently relies on contact tracing, testing of self-selected people with symptoms and those with permission to travel between ...
BBC

What is market sampling?

Sampling is the process of creating a small unbiased population to be used in a test or experiment. The sample removes the impractical idea of surveying everyone in a market or a population. Random ...