منابع مشابه
Uncertainty beyond sampling error.
Statistical analysis of research results mainly uses confidence intervals and hypothesis tests to capture the uncertainty rising from our study being on a sample of participants drawn from a much larger population, in which our interest mainly lies. But beyond the issue of sampling variation there are other sources of uncertainty that may be even more important to consider. In measurement, a di...
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Medical research is conducted to help to reduce uncertainty. For example, randomised controlled trials aim to answer questions relating to treatment choices for a particular group of patients. Rarely, however, does a single study remove uncertainty. There are two reasons for this: sampling error and other (non-sampling) sources of uncertainty. The word “error” comes from a Latin root meaning “t...
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Donoho and Stark have shown that a precise deterministic recovery of missing information contained in a time interval shorter than the time-frequency uncertainty limit is possible. We analyze this signal recovery mechanism from a physics point of view and show that the well-known Shannon-Nyquist sampling theorem, which is fundamental in signal processing, also uses essentially the same mechanis...
متن کاملFuzzy Double Variable Sampling Plan under Uncertainty
Double sampling plan is an examination with a certain parameter, so it cannot decide about manufactured products whose portion parameter ( ) is not certain. The main goal of this survey is to introduce double variable plan when is indefinite to examine manufacturing products when concerned characteristics are normally distributed. Plan parameters are achieved by an optimization manner. Sum of ...
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correction view, evolution equipped us with hierarchical generative neural models precisely for the purpose of resolving ambiguity. But research on direct learning, inspired by ecological psychology (Gibson, 1979), and in particular by the theory of direct perception, does not bite the Helmholtzian bullet of an inherent ambiguous mind-world linkage. Instead, constraints that operate at an ecolo...
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ژورنال
عنوان ژورنال: BMJ
سال: 2014
ISSN: 1756-1833
DOI: 10.1136/bmj.g7065