Background for datum

datum

/ˈdeɪtəm/

Illustration datum - Image 1

noun

(plural: data) A measurement of something on a scale understood by both the recorder (a person or device) and the reader (another person or device). The scale is arbitrarily defined, such as from 1 to 10 by ones, 1 to 100 by 0.1, or simply true or false, on or off, yes, no, or maybe, etc.

Examples :

"The student's test datum for math, a score of 92, shows strong understanding of the material. "

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Illustration datum - Image 1

noun

(plural: data) A fact known from direct observation.

Examples :

"The temperature reading from the thermometer is a crucial datum for our experiment. "

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Illustration datum - Image 1

noun

(plural: data) A premise from which conclusions are drawn.

Examples :

"The datum that the library was closed on Mondays was crucial for planning our research project. "

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Illustration datum - Image 1

noun

(plural: datums) A fixed reference point, or a coordinate system.

Examples :

"The surveyor used a specific datum on the mountain peak to calculate the elevation of the surrounding valley. "

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Illustration datum - Image 1

verb

To provide missing data points by using a mathematical model to extrapolate values that are outside the range of a measuring device.

Examples :

"Because the thermometer only went up to 100 degrees Celsius, we had to datum the oven's temperature beyond that point using the data collected at lower temperatures and a predictive formula. "

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