-
1 sample *** sam·ple
['sɒːmpl]1. n(gen) campione m fig saggio2. vt(food, wine) assaggiare, degustare, (fig: experience) provare, (Market Research: people) usare come campione3. adj(bottle) campione invsample line/verse — esempio
sample selection — campioni mpl
sample survey — indagine f su campione
-
2 random
['rændəm] 1.aggettivo casuale2.* * *['rændəm](done etc without any particular plan or system; irregular: The opinion poll was based on a random sample of adults.) casuale- randomly- at random* * *random /ˈrændəm/a.1 casuale: random selection, scelta casuale; random shot, ( di fucile, ecc.) colpo sparato a casaccio; ( sport) colpo (o tiro, lancio) fatto a casaccio3 (stat.) casuale; aleatorio: a random sample, un campione casuale; random variable, variabile aleatoria4 (ingl. fam.) strano; strambo● (comput.) random access, accesso casuale □ (comput.) random access memory, memoria ad accesso casuale □ (mat.) random function, funzione aleatoria □ (biol.) random mating, pangamia □ (comput.) random number generator, generatore di numeri casuali □ (stat.) random sampling, campionamento aleatorio □ (stat., econ.) random walk, percorso casuale; passeggiata casuale □ at random, a caso; a casaccio: to shoot at random, sparare alla ciecarandomly avv. randomness n. [u].* * *['rændəm] 1.aggettivo casuale2. -
3 cross-section
[ˌkrɒs'sekʃn] [AE ˌkrɔːs-]1) sezione f. trasversale2) fig. (selection) campione m., spaccato m.* * *1) ((a drawing etc of) the area or surface made visible by cutting through something, eg an apple.) sezione trasversale; pezzo tagliato di traverso2) (a sample as representative of the whole: He interviewed a cross-section of the audience to get their opinion of the play.) campione* * *cross-section /ˈkrɒssɛkʃn/n.2 (geol.) sezione trasversale3 (fig.) settore rappresentativo; campione; spaccato: a cross-section of the English middle classes, un settore rappresentativo di tutta la borghesia inglese4 (mat.) sezione5 (fis. nucl.) sezione d'urto● (econ., stat.) cross-section analysis, analisi trasversale (o di dati trasversali).* * *[ˌkrɒs'sekʃn] [AE ˌkrɔːs-]1) sezione f. trasversale2) fig. (selection) campione m., spaccato m. -
4 ♦ representative
♦ representative /rɛprɪˈzɛntətɪv/A a.1 rappresentativo; tipico: a representative selection of English poets, una scelta rappresentativa di poeti inglesi; (stat.) representative sample, campione rappresentativo; Detroit is a representative American city, Detroit è una tipica città americana; The title is not entirely representative of the book's content, il titolo non è del tutto rappresentativo del contenuto del libro; a representative firm, un'azienda tipo2 (polit.) rappresentativo; basato sulla rappresentanza: representative government, sistema (di governo) rappresentativo3 (polit.) rappresentativo; di rappresentanti: a representative body, un organo rappresentativo; a representative assembly, un'assemblea di rappresentanti del popoloB n.1 (polit.) rappresentante: trade union representatives, rappresentanti sindacali; the Chinese representative at the UN, il rappresentante della Cina all'ONU2 (comm., = representative agent) rappresentante: sales representative, rappresentante ( di commercio); informatore ( di farmaci, ecc.)3 (in USA) – Representative, Rappresentante; membro della House of Representatives (la Camera dei Rappresentanti, una delle due camere del Congresso degli Stati Uniti NOTE DI CULTURA: ► house)representatively avv.
См. также в других словарях:
sample selection bias — Non random selection is both a source of bias in empirical research and a fundamental aspect of many social processes. When observations in social research are selected so that they are not independent of the outcome variables in a study, sample… … Dictionary of sociology
Sample Selection Bias — A type of bias caused by choosing non random data for statistical analysis. The bias exists due to a flaw in the sample selection process, where a subset of the data is systematically excluded due to a particular attribute. The exclusion of the… … Investment dictionary
Selection bias — is a statistical bias in which there is an error in choosing the individuals or groups to take part in a scientific study.[1] It is sometimes referred to as the selection effect. The term selection bias most often refers to the distortion of a… … Wikipedia
selection effects — See sample selection bias … Dictionary of sociology
Selection cutting — is the silvicultural practice of harvesting a proportion of the trees in a stand. Selection cutting is the practice of removing mature timber or thinning to improve the timber stand. This system may be used to manage even or uneven aged stands.… … Wikipedia
sample — I noun archetype, case in point, cross section, documentum, ensample, example, exemplar, exemplification, exemplum, guide, illustration, instance, model, original, paradigm, prototype, representation, representative, representative selection,… … Law dictionary
sample preparation — ▪ chemistry Introduction in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special … Universalium
Sample preparation (mass spectrometry) — The sample preparation for mass spectrometry is used for the optimisation of a sample for the analysis in a mass spectrometer (MS).These have depending on their ion source different requirements for volume, concentration, and composition of the… … Wikipedia
sample — [[t]sɑ͟ːmp(ə)l, sæ̱m [/t]] ♦♦♦ samples, sampling, sampled 1) N COUNT A sample of a substance or product is a small quantity of it that shows you what it is like. You ll receive samples of paint, curtains and upholstery... We re giving away 2000… … English dictionary
sample — 1. A specimen of a whole entity small enough to involve no threat or damage to the whole; an aliquot. 2. A selected subset of a population; a s. may be random or nonrandom (haphazard), representative or nonrepresentative. [M.E. ensample, fr. L.… … Medical dictionary
sample — 1) A small group of items selected from a larger group to represent the characteristics of the larger group. Samples are often used in auditing because it is not feasible to inspect all the available documentation; however, conclusions drawn from … Accounting dictionary