1 resultado para leave one out cross validation
em Archimer: Archive de l'Institut francais de recherche pour l'exploitation de la mer
Filtro por publicador
- Academic Archive On-line (Jönköping University; Sweden) (1)
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- Acceda, el repositorio institucional de la Universidad de Las Palmas de Gran Canaria. España (1)
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- Aquatic Commons (2)
- ArchiMeD - Elektronische Publikationen der Universität Mainz - Alemanha (3)
- Archimer: Archive de l'Institut francais de recherche pour l'exploitation de la mer (1)
- Archive of European Integration (4)
- Archivo Digital para la Docencia y la Investigación - Repositorio Institucional de la Universidad del País Vasco (3)
- Aston University Research Archive (28)
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- Biblioteca Digital | Sistema Integrado de Documentación | UNCuyo - UNCUYO. UNIVERSIDAD NACIONAL DE CUYO. (1)
- Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (14)
- Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (4)
- Biblioteca Digital de Teses e Dissertações Eletrônicas da UERJ (6)
- Bioline International (5)
- BORIS: Bern Open Repository and Information System - Berna - Suiça (55)
- Boston University Digital Common (2)
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- SAPIENTIA - Universidade do Algarve - Portugal (1)
- School of Medicine, Washington University, United States (1)
- Scielo España (1)
- Scielo Uruguai (1)
- Universidad de Alicante (7)
- Universidad del Rosario, Colombia (9)
- Universidad Politécnica de Madrid (31)
- Universidade Complutense de Madrid (1)
- Universidade de Lisboa - Repositório Aberto (2)
- Universidade de Madeira (1)
- Universidade Federal do Pará (4)
- Universidade Federal do Rio Grande do Norte (UFRN) (9)
- Universidade Metodista de São Paulo (2)
- Universitat de Girona, Spain (3)
- Universitätsbibliothek Kassel, Universität Kassel, Germany (5)
- Université de Lausanne, Switzerland (4)
- Université de Montréal (5)
- Université de Montréal, Canada (19)
- Université Laval Mémoires et thèses électroniques (1)
- University of Connecticut - USA (2)
- University of Michigan (10)
- University of Queensland eSpace - Australia (12)
- University of Washington (8)
Resumo:
The Water Framework Directive uses the “One-out, all-out” (OAOO) principle in assessing water bodies (i.e. the worst status of the elements used in the assessment determines the final status of the water body). Combination of multiple parameters within a biological quality element (BQEs) can be done in different ways. This study analysed several aggregation conditions within the BQE "Flora other than phytoplankton" (intertidal macroalgae, subtidal macroalgae, eelgrass beds and opportunistic blooms) using monitoring data collected along the Channel and Atlantic coastline. Four aggregation criteria were tested on two sets of data collected between 2004 and 2014: OOAO, average, intermediate method between OOAO and average and a method taking into account an uncertainty value at the threshold "Good/Moderate." Based on available data, the intermediate method appears the most qualified method using first an averaging approach between the natural habitat elements and then applying the OAOO between this mean and the opportunistic blooms, characteristic of an eutrophic environment. Expert judment might be used to ensure in the overall interpretation of results at waterbody level and in the classification outcomes.