Sampling methods - Resultats de la cerca - Dipòsit Digital de Documents de la UAB

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Resultats globals: 4 registres trobats en 0.03 segons.
Articles, 2 registres trobats Llibres i col·leccions, 1 registres trobats Documents de recerca, 1 registres trobats

Articles	2 registres trobats

30 p, 262.9 KB

Bayesian structured antedependence model proposals for longitudinal data / Castillo-Carreno, Edwin (Universidad Nacional de Colombia. Departamento de Estadística) ; Cepeda-Cuervo, Edilberto (Universidad Nacional de Colombia. Departamento de Estadística) ; Núñez-Antón, Vicente. (Universidad del País Vasco. Departamento de Economía Aplicada)
An important problem in Statistics is the study of longitudinal data taking into account the effect of other explanatory variables, such as treatments and time and, simultaneously, the incorporation into the model of the time dependence between observations on the same individual. [...]
2020 - DOI (Digital Object Identifier)

10.2436/20.8080.02.99
SORT : statistics and operations research transactions, Vol. 44 Núm. 1 (January-June 2020) , p. 171-200 (Articles)

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12 p, 283.1 KB

Comparación del muestreo de macroinvertebrados bentónicos fluviales con muestreador surber y con red manual en ríos de Aragón (NE Península Ibérica) / Torralba Burrial, Antonio ; Ocharan, Francisco J.
A la hora de valorar el estado ecológico de los ríos y otras aguas superficiales, la Directiva Marco del Agua (Directiva 2000/60/CE) establece que los métodos utilizados deberán garantizar que la información suministrada sea de calidad y comparabilidad equivalentes; para las comunidades de macroinvertebrados bentónicos fluviales en zonas poco profundas, remite a las normas para la toma de muestras con muestreador Surber y con red manual. [...]
When monitoring the ecological state of rivers and other surface waters, the Water Framework Directive (Directive 2000/60/CE) establishes that the methods used should guarantee that the information given be of an equivalent scientific quality and comparability; for rivers and communities of benthic macroinvertebrates in shallow waters, it remits to the standards for the biological sampling with Surber and hand net. [...]
2007
Limnética, V. 26 n. 1 (2007) p. 13-24

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Llibres i col·leccions	1 registres trobats

35 p, 518.6 KB

Methods of sampling in qualitative health research / Maestripieri, Lara (Universitat Autònoma de Barcelona) ; Radin, Arianna (University of Bergamo) ; Spina, Elena (Università Politecnica delle Marche)
Chapter objectives: To provide an introduction to the features of non-probabilistic sampling and how it differs from probabilistic sampling; To discuss quota sampling and purposive sampling, how they are used and the importance of transparency in describing sampling methods; To describe the uses of snowball and self-selective sampling and their strengths and weaknesses; To consider the role of key informants in accessing samples.
SAGE, 2019
Researching Health: Qualitative, Quantitative and Mixed Methods, 2019

Accés restringit a la UAB

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Documents de recerca	1 registres trobats

22 p, 182.7 KB

Calculation of the variance in surveys of the economic climate / Alcañiz, Manuela (Universitat de Barcelona. Departament d'Econometria) ; Costa, Àlex (Institut d'Estadística de Catalunya) ; Guillén, Montserrat (Universitat de Barcelona. Departament d'Econometria) ; Luna, Carme (Institut d'Estadística de Catalunya) ; Rovira, Cristina (Institut d'Estadística de Catalunya) ; Xarxa de Referència en Economia Aplicada (XREAP)
Public opinion surveys have become progressively incorporated into systems of official statistics. Surveys of the economic climate are usually qualitative because they collect opinions of businesspeople and/or experts about the long-term indicators described by a number of variables. [...]
Xarxa de Referència en Economia Aplicada (XREAP) 2006 (XREAP ; 2008-06)

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