random sample -
61sample — Synonyms and related words: adjunct, assay, barometer, bite, bring to test, canvass, case, case history, characteristic, component, conduct a poll, confirm, constituent, contingent, cross section, cut and try, detachment, detail, distinctive,… …
62random — [ˈrændəm] adj chosen or happening without any particular method or pattern a random sample of voters[/ex] Winning tickets will be chosen at random.[/ex] randomly adv …
63sample mean — the arithmetic mean of the observed values of a random sample, conventionally denoted by a barred variable, e.g., X (read “X barâ€) …
64Sample 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 …
65Random naive Bayes — extends the Naive Bayes classifier by adopting the random forest principles: random input selection (bagging, i.e. bootstrap aggregating) and random feature selection ( [Breiman, 2001] ). Naive Bayes classifier Naive Bayes is a probabilistic… …
66Random assignment — or random placement is an experimental technique for assigning subjects to different treatments (or no treatment). The thinking behind random assignment is that by randomizing treatment assignment, then the group attributes for the different… …
67random — [ran′dəm] n. [ME randoun < OFr randon, violence, speed (in a randon, violently) < randir, to run violently < Frank * rant, a running, akin to OHG rinnan, to RUN] impetuous and haphazard movement: now only in at random, without careful… …
68Выборка Случайная, Выборка Произвольная (Random Sample) — выбранная случайным образом из большой популяции людей группа; при этом выбор производится таким образом, что можно предполагать наличие равных шансов войти в эту группу у всех членов популяции. Иногда в состав такой выборки входят отдельные… …
69Random variable — A random variable is a rigorously defined mathematical entity used mainly to describe chance and probability in a mathematical way. The structure of random variables was developed and formalized to simplify the analysis of games of chance,… …
70Random 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… …
