sampling+study

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• 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 fraction — ˈsampling ˌfraction noun [countable] STATISTICS the relationship between the size of a group that is chosen to take part in a study, and the size of the whole group: • Estimating the average height of adult males in the British population would… …   Financial and business terms

• Sampling bias — In statistics, sampling bias is when a sample is collected in such a way that some members of the intended population are less likely to be included than others. It results in a biased sample, a non random sample[1] of a population (or non human… …   Wikipedia

• sampling — A method for collecting information and drawing inferences about a larger population or universe, from the analysis of only part thereof, the sample. Censuses of the population are an expensive way of monitoring social and economic change, and… …   Dictionary of sociology

• sampling error — The principal aim of any sampling procedure is to obtain a sample which, subject to limitations of size, will reproduce the characteristics of the population being studied, especially those of immediate interest, as closely as possible. In… …   Dictionary of sociology

• Sampling (signal processing) — Signal sampling representation. The continuous signal is represented with a green color whereas the discrete samples are in blue. In signal processing, sampling is the reduction of a continuous signal to a discrete signal. A common example is the …   Wikipedia

• 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 — noun 1. (statistics) the selection of a suitable sample for study (Freq. 4) • Topics: ↑statistics • Hypernyms: ↑choice, ↑selection, ↑option, ↑pick …   Useful english dictionary

• sampling — The policy of inferring the behavior of a whole batch by studying a fraction of it. [MF essample, fr. L. exemplum, taking out] biological s. denotes s. that can be taken without jeopardy to the whole organism ( e.g., for hematological or… …   Medical dictionary

• Study on Global Ageing and Adult Health — The Study on Global Ageing and Adult Health (SAGE) is run by the World Health Organization s Multi Country Studies unit in the Information, Evidence and Research Cluster. SAGE is part of the unit s Longitudinal Study Programme which is attempting …   Wikipedia

• Nonprobability sampling — Sampling is the use of a subset of the population to represent the whole population. Probability sampling, or random sampling, is a sampling technique in which the probability of getting any particular sample may be calculated. Nonprobability… …   Wikipedia