'Observational science' diaporamas de présentation

Services-Oriented Architecture for Water Data

Services-Oriented Architecture for Water Data David R. Maidment Fall 2009 Linking Geographic Information Systems and Water Resources Water Resources GIS Water Information in Space and Time Graph in Time Map in Space By deduction from existing knowledge By experiment in a laboratory

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The search for statistical truth

The search for statistical truth. There is a hierarchy of truths:. Mathematical truth is independent of our perceptions. Examples are facts like ( x + y ) z = xz + yz and (for right triangles) a 2 + b 2 = c 2 .

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