Titel: Modela��o baseada em dados: Investiga��o de modelos de previs�o de inunda��es baseados em dados (Portuguese Edition)
Verlag: Edi��es Nosso Conhecimento
Erscheinungsjahr: 2024
Sprache: Portugiesisch
ISBN-10: 6207607724
ISBN-13: 9786207607723
Einband: Softcover
Zustand: New

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Inhaltsangabe

A vantagem dos modelos estat�sticos do tipo input-output � que podem ser constru�dos e aplicados com relativa facilidade, mas, por outro lado, a desvantagem desses modelos � que n�o revelam a natureza interna do fen�meno observado. Modelos conceptuais, que t�m a vantagem de funcionar de forma transparente, mas que, por vezes, s�o dif�ceis de provar que est�o correctos. A intelig�ncia artificial oferece m�todos de aprendizagem autom�tica a partir de exemplos, que eliminam as desvantagens das abordagens estat�sticas e conceptuais e integram as vantagens. Neste livro, � apresentada uma experi�ncia abrangente de modela��o baseada em dados e em �rvores de regress�o. As �rvores de regress�o foram utilizadas num problema pr�tico de constru��o de um modelo baseado em dados para a previs�o do escoamento superficial a partir do escoamento atual e passado conhecido em medidores de n�vel de �gua e da precipita��o em medidores de chuva na bacia hidrogr�fica. Os resultados baseados na aproxima��o e na precis�o da previs�o obtidos a partir de �rvores de regress�o s�o depois comparados com outras t�cnicas DDM, nomeadamente, redes neurais artificiais, processo gaussiano, regress�es vectoriais de apoio e regress�es lineares m�ltiplas. O livro � de leitura obrigat�ria para os investigadores que trabalham no dom�nio da modela��o baseada em dados.

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