- sampling units
- Statsthe elements chosen to be sampled by a sampling design
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sampling units
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Sampling variogram — In mathematical statistics, a sampling variogram is a graph that shows where a significant degree of causality (in this context, spatial dependence in sample spaces or sampling units) dissipates into randomness. A sampling variogram is obtained… … Wikipedia
Sampling (statistics) — Sampling is that part of statistical practice concerned with the selection of individual observations intended to yield some knowledge about a population of concern, especially for the purposes of statistical inference. Each observation measures… … Wikipedia
Sampling rate — Analog signal and resulting sampled signal. The sampling rate, sample rate, or sampling frequency defines the number of samples per second (or per other unit) taken from a continuous signal to make a discrete signal. For time domain signals, it… … Wikipedia
Nyquist–Shannon sampling theorem — Fig.1: Hypothetical spectrum of a bandlimited signal as a function of frequency The Nyquist–Shannon sampling theorem, after Harry Nyquist and Claude Shannon, is a fundamental result in the field of information theory, in particular… … Wikipedia
Systematic Sampling — A method of selecting sample members from a larger population according to a random starting point and a fixed, periodic interval. Typically, every nth member is selected from the total population for inclusion in the sample population.… … Investment dictionary
Systematic sampling — is a statistical method involving the selection of every k th element from a sampling frame, where k , the sampling interval, is calculated as:::: k = population size ( N ) / sample size ( n )Using this procedure each element in the population… … Wikipedia
Quota sampling — In quota sampling, the population is first segmented into mutually exclusive sub groups, just as in stratified sampling. Then judgment is used to select the subjects or units from each segment based on a specified proportion. For example, an… … Wikipedia
Global Ocean Sampling Expedition — The Sorcerer II Global Ocean Sampling Expedition (GOS) is an Ocean exploration Genome project with the goal of assessing the genetic diversity in marine microbial communities and to understand their role in nature s fundamental processes. Begun… … Wikipedia
Acceptance Sampling — A statistical measure used in quality control. A company cannot test every one of its products due to either ruining the products, or the volume of products being too large. Acceptance sampling solves this by testing a sample of product for… … Investment dictionary
Montevideo units — are a method of measuring uterine performance during labor. They were created in 1949 by two physicians, Roberto Caldeyro Barcia and Hermogenes Alvarez, from Montevideo, Uruguay. Units are calculated by internally (not externally) measuring… … Wikipedia
Information technology audit process — Information technology audit process:Generally Accepted Auditing Standards (GAAS)In 1947, the American Institute of Certified Public Accountants (AICPA) adopted GAAS to establish standards for audits. The standards cover the following three… … Wikipedia
