Examples of using Probability sampling in English and their translations into Danish
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Indicates departures from probability sampling.
Angiver afvigelser fra sandsynlighedsudvælgelse.Figure 3.6: Probability sampling in practice and non-probability sampling are both large, heterogeneous categories.
Figur 3.6: Sandsynlighed prà ̧vetagning i praksis og ikke-stikprà ̧ver er både store, heterogene kategorier.He was among the pioneers of unequal probability sampling.
Han var blandt pionererne af ulige sandsynlighed stikprøver.For a more formal definition of probability sampling designs, see chapter 2 of Särndal, Swensson, and Wretman 2003.
For en mere formel definition af sandsynlighedsprà ̧vetagningsdesigner, se kapitel 2 i Särndal, Swensson, and Wretman 2003.Some people find it surprising that this is true even when there is perfectly executed probability sampling.
Nogle mennesker finder det overraskende, at dette er sandt, selv når der er perfekt udfà ̧rt sandsynlighedsprà ̧veudtagning.
Online panels can use either probability sampling or non-probability sampling. .
Online paneler kan bruge enten sandsynlighedsprà ̧vetagning eller ikke-sandsynlighedsprà The response rate for the Netherlands in the figure above is the response rate for the part of the sample selected using probability sampling.
Besvarelsesprocenten for Nederlandene i ovenstående figur er besvarelsesprocenten for den del af den udvalgte stikprøve, hvor der er anvendt sandsynlighedsudvælgelse.Over time, the differences between probability sampling in theory and probability sampling in practice have been increasing.
Over tid er forskellene mellem sandsynlighedsprà ̧vetagning i teori og sandsynlighedsprà ̧vetagning i praksis steget.This second era, roughly from 1960- 2000,was characterized by random digit dialing(RDD) probability sampling and telephone interviews.
Denne anden æra, groft fra 1960- 2000,var præget af tilfældig cifret opkald(RDD) sandsynlighed prà ̧veudtagning og telefoninterviews.The digital age is making probability sampling in practice harder and is creating new opportunities for non-probability sampling. .
Den digitale tidsalder gà ̧r sandsynlighedsprà ̧vetagningen i praksis hårdere og skaber nye muligheder for ikke-sandsynlighedsprà ̧vetagning.In the history of sampling, there have been two competing approaches: probability sampling methods and non-probability sampling methods.
I prà ̧veudtagningens historie har der været to konkurrerende tilgange: sandsynlighedsprà ̧vetagningsmetoder og ikke-sandsynlighedsprà ̧vetagningsmetoder.X: Sample selected randomly butlow response rates indicate possible departures from representativity of sample.: No probability sampling.
X: Tilfældigt udvalgte stikprøver, menlave besvarelsesprocenter indikerer mulige afvigelser fra stikprøvens repræsentativitet.: Ingen sandsynlighedsudvælgelse.In particular, probability sampling has been getting hard to do in practice, and non-probability sampling has been getting faster, cheaper, and better.
Især er sandsynlighedsprà ̧vetagningen blevet svært at gà ̧re i praksis, og det er ikke sandsynligt, at prà ̧veudtagningen er blevet hurtigere, billigere og bedre.
The failure to achieve acceptable response rates often leads to the adoption of procedures(such as quota sampling, or more or less indiscriminate substitutions)which depart from probability sampling.
Det at man ikke opnår acceptable besvarelsesprocenter fører ofte til, at der anvendes metoder(som f. eks. kvotaudvælgelse eller mere eller mindre tilfældige substitutioner),som afviger fra sandsynlighedsudvælgelse.The theory of Probability Sampling with Applications to Sample Surveys and Probability in Science and Engineering which he wrote jointly with V Dupac.
Teorien om Sandsynlighedsudvælgelse med anvendelser i stikprøveundersøgelser og Sandsynlighed in Science and Engineering, som han skrev sammen med V Dupac.Probability samples are those where all people have a known, non-zero probability of inclusion, and the simplest probability sampling design is simple random sampling where each person has equal probability of inclusion.
Sandsynlighed prà ̧ver er dem, hvor alle mennesker har en kendt, ikke-nul By probability sampling is meant a sampling scheme in which each and every unit in the study population is given a known, non-zero chance of selection into the sample. .
Ved sandsynlighedsudvælgelse forstås en stikprøveplan, hvori hver eneste enhed i undersøgelsespopulationen gives en kendt, ikke lig nul chance for at blive udvalgt til stikprøven.The second reason why researchers should reconsider non-probability sampling is because probability sampling in practice are become increasingly difficult.
Den anden grund til, at forskere bà ̧r revurdere ikke When data are collected with a probability sampling method that has been perfectly executed, researchers are able to weight their data based on the way that they were collected to make unbiased estimates about the target population.
Når data indsamles med en sandsynlighed prà ̧veudtagningsmetode, der er blevet perfekt udfà ̧rt, forskerne er i stand til at vægte deres data baseret på den måde, at de blev indsamlet til at foretage uvildige skà ̧n om målgruppen.It was a productive period during which he wrote 20 papers and two books:The theory of Probability Sampling with Applications to Sample Surveys and Probability in Science and Engineering which he wrote jointly with V Dupac.
Det var en produktiv periode, hvor han skrev 20 papirer og to bøger:Teorien om Sandsynlighedsudvælgelse med anvendelser i stikprøveundersøgelser og Sandsynlighed in Science and Engineering, som han skrev sammen med V Dupac.I will start by introducing probability sampling, then move to probability sampling with nonresponse, and finally, non-probability sampling. Probability sampling. .
Jeg vil begynde med at indfà ̧re sandsynlighedsprà ̧veudtagning, og derefter flytte til Two classic book-length treatments of standard probability sampling and estimation are Lohr(2009)(more introductory) and Särndal, Swensson, and Wretman(2003) more advanced.
To klassiske boglængdesbehandlinger af standard sandsynlighedsprà ̧vetagning og estimering er Lohr(2009)(mere indledende) og Särndal, Swensson, and Wretman(2003) mere avanceret.Researchers face a difficult choice between probability sampling methods in practice-which are increasingly expensive and far from the theoretical results that justify their use-and non-probability sampling methods-which are cheaper and faster, but less familiar and more varied.
Forskere står over for et vanskeligt valg mellem sandsynlighedsprà ̧vetagningsmetoder i praksis- som bliver stadig dyrere og langt fra de teoretiske resultater, som retfærdiggà ̧r deres brugs- og ikke-sandsynlighedsprà ̧vetagningsmetoder-som er billigere og hurtigere, men mindre velkendte og mere varierede.Classic book-length treatment of standard probability sampling and estimation are Lohr(2009)(more introductory) and Särndal, Swensson, and Wretman(2003) more advanced.
Klassisk bog-længde behandling af standard sandsynlighed prà ̧vetagning og estimering er Lohr(2009)(mere indledende) og Särndal, Swensson, and Wretman(2003) mere avanceret.Thus, it is important to distinguish between probability sampling in theory,which has strong theoretical guarantees, and probability sampling in practice, which offers no such guarantees and depends on a variety of statistical adjustments.
Det er således vigtigt at skelne mellem First, as probability samples have become increasingly difficult to do in practice, the line between probability samples and non-probability samples is blurring.
Fà ̧rst da sandsynlighed prà ̧ver er blevet stadig mere vanskeligt at gà ̧re i praksis, er grænsen mellem sandsynlighed prà ̧ver og ikke-sandsynlighed It is important that the volunteers do not need to be a probability sample from any population;
Det er vigtigt, at de frivillige ikke behà ̧ver at være en sandsynlighed prà ̧ve fra enhver befolkningsgruppe;Further, because of the breakdown in landline telephone surveys and increasing rates of non-response,I expect that probability samples will become more expensive and of lower quality.
Endvidere på grund af fordelingen i fastnet telefon undersà ̧gelser og stigende rater af ikke-svar,forventer jeg, at sandsynligheden prà ̧ver vil blive dyrere og af ringere kvalitet.When there are high rates of non-response(as there are in real surveys now), the actual probability of inclusions for respondents are not known,and thus, probability samples and non-probability samples are not as different as many researchers believe.
Når der er hà ̧je ikke-respons(som der er i reelle undersà ̧gelser nu), den faktiske Both non-probability samples and probability samples vary in their quality,and currently it is likely the case that most estimates from probability samples are more trustworthy than estimates from non-probability samples. .
Både ikke-sandsynlighed 
