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stratified data

См. также в других словарях:

  • Data collection — is a term used to describe a process of preparing and collecting data, for example, as part of a process improvement or similar project. The purpose of data collection is to obtain information to keep on record, to make decisions about important… …   Wikipedia

  • Stratified sampling — In statistics, stratified sampling is a method of sampling from a population.When sub populations vary considerably, it is advantageous to sample each subpopulation (stratum) independently. Stratification is the process of grouping members of the …   Wikipedia

  • Data — For data in a computer science context, see Data (computing). For other senses of the word, see Data (disambiguation). See also datum, a disambiguation page. The term data refers to qualitative or quantitative attributes of a variable or set of… …   Wikipedia

  • data —    Perhaps no other word better illustrates the extent to which questions of usage are often largely a matter of fashion.    In Latin, data is of course a plural, and until fairly recent times virtually all authorities insisted, often quite… …   Dictionary of troublesome word

  • Stratified sampling — The selection of a *sample of data from a *population that has been arranged into groups according to a defined trait or attribute. See also judgmental sampling, *random sampling, and *statistical sampling …   Auditor's dictionary

  • Analysis of categorical data — These are statistical procedures which can be used for the analysis of categorical data:* regression * analysis of variance * linear modeling * log linear modeling * logistic regression * repeated measures analysis * simple correspondence… …   Wikipedia

  • OpenEpi — 2.3 Developer(s) AG Dean, KM Sullivan, MM Soe Stable release 2.3.1 / September 1, 2010; 14 months ago ( …   Wikipedia

  • test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

  • Kathleen Kenyon — Born January 5, 1906(1906 01 05) London …   Wikipedia

  • Sample size determination — is the act of choosing the number of observations to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample …   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

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