Results 11 to 20 of about 8,421,143 (315)

Rethinking the Effective Sample Size [PDF]

open access: yes, 2018
The effective sample size (ESS) is widely used in sample-based simulation methods for assessing the quality of a Monte Carlo approximation of a given distribution and of related integrals.
Elvira, Víctor   +2 more
core   +3 more sources

Understanding Current Methods for Sampling of Aflatoxins in Corn and to Generate a Best Practice Framework

open access: yesToxins, 2022
Aflatoxin contamination in corn is a significant issue, posing substantial health threats to humans and animals. Aflatoxin testing protects consumer health, ensures the safe global trade of corn, and verifies compliance with legislation; however ...
Rossa Donnelly   +4 more
doaj   +1 more source

Multivariate methods and small sample size: combining with small effect size [PDF]

open access: yes, 2010
This manuscript is the author's response to: "Dochtermann, N.A. & Jenkins, S.H. Multivariate methods and small sample\ud sizes, Ethology, 117, 95-101." and accompanies this paper: "Budaev, S.
Budaev, Dr. Sergey V.
core   +1 more source

Characterising and justifying sample size sufficiency in interview-based studies: systematic analysis of qualitative health research over a 15-year period

open access: yesBMC Medical Research Methodology, 2018
Background Choosing a suitable sample size in qualitative research is an area of conceptual debate and practical uncertainty. That sample size principles, guidelines and tools have been developed to enable researchers to set, and justify the ...
Konstantina Vasileiou   +3 more
doaj   +1 more source

Quantum state discrimination bounds for finite sample size [PDF]

open access: yes, 2012
In the problem of quantum state discrimination, one has to determine by measurements the state of a quantum system, based on the a priori side information that the true state is one of two given and completely known states, rho or sigma.
Audenaert, Koenraad M. R.   +2 more
core   +2 more sources

Published correlational effect sizes in social and developmental psychology

open access: yesRoyal Society Open Science, 2022
The distribution of effect sizes may offer insights about the research done and reported in a scientific field. We have evaluated 12 412 manually collected correlation effect sizes (Sample 1) and 31 157 computer-extracted correlation effect sizes (Sample
Josefína Weinerová   +2 more
doaj   +1 more source

PCA consistency in high dimension, low sample size context [PDF]

open access: yes, 2009
Principal Component Analysis (PCA) is an important tool of dimension reduction especially when the dimension (or the number of variables) is very high. Asymptotic studies where the sample size is fixed, and the dimension grows [i.e., High Dimension, Low ...
Jung, Sungkyu, Marron, J. S.
core   +3 more sources

Tamanho da amostra para avaliação de componentes do rendimento na cultura do feijoeiro Sample size to evaluate some bean agronomic characteristics

open access: yesCiência Rural, 1996
Com base em resultados de experimentos conduzidos nos anos agrícolas de 1991/92 e 1992/93 no Departamento de Fitotecnia da Universidade Federal de Santa Maria com as cultivares de feijoeiro Iraí e Macanudo, calculou-se o tamanho da amostra necessário ...
Valduíno Estefanel   +2 more
doaj   +1 more source

Concepts in sample size determination

open access: yesIndian Journal of Dental Research, 2012
Investigators involved in clinical, epidemiological or translational research, have the drive to publish their results so that they can extrapolate their findings to the population.
Umadevi K Rao
doaj   +1 more source

Methodological considerations for the design and implementation of reliable and valid web surveys

open access: yesPublic Health and Toxicology, 2021
This article examines practical epidemiology principles related to the design and implementation of web surveys. Six practice-oriented items are critically examined: 1) The study question; 2) The target population; 3) Study population needed; 4) Sampling
Israel Agaku
doaj   +1 more source

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