random sampling numbers

См. также в других словарях:

• Random sample — A sample is a subject chosen from a population for investigation. A random sample is one chosen by a method involving an unpredictable component. Random sampling can also refer to taking a number of independent observations from the same… …   Wikipedia

• random — 01. Student pairs are chosen at [random] for the speaking test at the end of each session of the English Language Program. 02. Olympic athletes are subject to [random] drug testing. 03. Several people put their names forward to work on the… …   Grammatical examples in English

• Random digit dialing — (RDD) is a method for selecting people for involvement in telephone statistical surveys by generating telephone numbers at random. Random digit dialing has the advantage that it includes unlisted numbers that would be missed if the numbers were… …   Wikipedia

• Random number generation — A random number generator (often abbreviated as RNG) is a computational or physical device designed to generate a sequence of numbers or symbols that lack any pattern, i.e. appear random. Computer based systems for random number generation are… …   Wikipedia

• 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

• Random walk — A random walk, sometimes denoted RW, is a mathematical formalization of a trajectory that consists of taking successive random steps. The results of random walk analysis have been applied to computer science, physics, ecology, economics and a… …   Wikipedia

• sampling by use of random numbers — ėmimas pagal atsitiktinius skaičius statusas T sritis Standartizacija ir metrologija apibrėžtis Ėmimas, kai ėminiui sudaryti naudojama atsitiktinių skaičių lentelė. atitikmenys: angl. sampling by use of random numbers vok. Stichprobenentnahme mit …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

• Random permutation — A random permutation is a random ordering of a set of objects, that is, a permutation valued random variable. The use of random permutations is often fundamental to fields that use randomized algorithms. Such fields include coding theory,… …   Wikipedia

• Latin hypercube sampling — (LHS) is a statistical method for generating a distribution of plausible collections of parameter values from a multidimensional distribution. The sampling method is often applied in uncertainty analysis. The technique was first described by… …   Wikipedia

• Simple random sample — In statistics, a simple random sample is a subset of individuals (a sample) chosen from a larger set (a population). Each individual is chosen randomly and entirely by chance, such that each individual has the same probability of being chosen at… …   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