Results 11 to 20 of about 16,137,556 (298)
Observations of the thermodynamic and kinematic state of the atmospheric boundary layer over the San Luis Valley, CO, using the CopterSonde 2 remotely piloted aircraft system in support of the LAPSE-RATE field campaign [PDF]
Earth System Science Data, 2021 In July 2018, the University of Oklahoma deployed three CopterSonde remotely piloted aircraft systems (RPASs) to take measurements of the evolving thermodynamic and kinematic state of the atmospheric boundary layer (ABL) over complex terrain in the San ...
E. A. Pillar-Little +23 more
doaj +1 more source
Korea Seroprevalence Study of Monitoring of SARS-COV-2 Antibody Retention and Transmission (K-SEROSMART): findings from national representative sample [PDF]
Epidemiology and Health, 2023 OBJECTIVES We estimated the population prevalence of antibodies to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), including unreported infections, through a Korea Seroprevalence Study of Monitoring of SARS-CoV-2 Antibody Retention and ...
Jina Han +55 more
doaj +1 more source
Stratified Sampling Design Based on Data Mining [PDF]
Healthcare Informatics Research, 2013 ObjectivesTo explore classification rules based on data mining methodologies which are to be used in defining strata in stratified sampling of healthcare providers with improved sampling efficiency.MethodsWe performed k-means clustering to group ...
Yeonkook J. Kim +4 more
doaj +1 more source
, 2022 A prototype-based sampling method for spatial data sampling and its application in landslide susceptibility mapping
Prototype-based sampling (14190421)
core +1 more source
A dual-tube sampling technique for snowpack studies
Journal of Glaciology, 2021 The validity of any glaciological paleo proxy used to interpret climate records is based on the level of understanding of their transfer from the atmosphere into the ice sheet and their recording in the snowpack. Large spatial noise in snow properties is
Remi Dallmayr +6 more
doaj +1 more source
Quantitative estimation of sampling uncertainties for mycotoxins in cereal shipments [PDF]
, 2012 Many countries receive shipments of bulk cereals from primary producers. There is a volume of work that is ongoing that seeks to arrive at appropriate standards for the quality of the shipments and the means to assess the shipments as they are out-loaded.
Bourgeois, Florent +2 more
core +1 more source
Arquivos Brasileiros de Cardiologia, 2007 FUNDAMENTO: O monitoramento periódico do tabagismo na população é de interesse para a saúde pública. OBJETIVOS: Comparar a prevalência do tabagismo e atitudes em relação ao tabagismo em uma amostra de residentes do município de São Paulo, em 1987 e em ...
Luiz Francisco Marcopito +5 more
doaj +1 more source
Small Sample Studies: Unique Contributions for Large Sample Outcome Studies [PDF]
Schizophrenia Bulletin, 1988 There are many important issues relevant to the course of illness and outcome of chronic psychiatric disorders that are not readily amenable to investigation with existing large sample, quantitative methodology. For example, complex interactive phenomena that change over time, such as the longitudinal impact of changes in social and work function on ...
openaire +2 more sources
Evaluation of respondent-driven sampling [PDF]
, 2012 Respondent-driven sampling produced a generally representative sample of this well-connected nonhidden population. However, current respondent-driven sampling inference methods failed to reduce bias when it occurred.
Joseph Katongole +34 more
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Study Sampling in the Canadian Study of Health and Aging
International Psychogeriatrics, 2001 The Canadian Study of Health and Aging drew representative samples of people aged 65 or over from the community and institutions across Canada. The sample was designed to provide regional and national prevalence estimates for dementia by age and sex. Thirty-six sampling areas were used in a stratified cluster design with optimal allocation; sampling ...
I, McDowell +4 more
openaire +2 more sources