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A spatial data infrastructure (SDI) is a data infrastructure implementing a framework of geographic data, metadata, users and tools that are interactively connected in or ... Voir Plus
Accuracy _ is correctness of the data. Precision _ is the consistency of the data .
Accuray : ability of measurement to match the actual value being measured. The closer the measurement to a known value, the more accurate the measurement. Precision : how ... Voir Plus
Acurrey is how much you are close for the true value precision we can consider it as acurrey of repeatability or how much repeated observation close to each others
first one need to know that no measurement is accurate we only have the most provable value or the expected value, with this one can say accuracy is the closeness of th ... Voir Plus
Precision is closeness of two or more measurements to each other. Accuracy is the difference between the measurement and the actual true value