Abstract: Sampling process is one of the most important part in acquiring information in a measurement system. This article presents an analysis of the sampling of a measured signal that originally ...

Abstract: In this paper, the sampling errors that can cause spectral noise of Fourier infrared spectrometer are introduced. The main reasons for the sampling errors are the position change of the ...

Department of Pathology and Laboratory Medicine, University of California Davis, Sacramento, CA, United States Bone marrow evaluation is a powerful diagnostic tool, but it comes with several potential ...

Two weeks ago, I made the case for specifying the global problems you wish to spend years on. Today I want to place these choices at the right altitude, because from arm’s length everything blurs and ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Every survey finding published by Pew Research ...

Thank you for the terra package! I'd like to report an error I'm encountering when using terra::spatSample with method = 'stratified'. The issue arises when I run the ...

Targeting matters most. Surveying the wrong audience can lead to misleading data and poor decisions, even if the questions themselves are solid. Weighting shapes reality. Overrepresenting certain ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. A crucial issue in the plastic recycling industry is the loss of quality in recycled ...