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  2. Level of measurement - Wikipedia

    en.wikipedia.org/wiki/Level_of_measurement

    Level of measurement or scale of measure is a classification that describes the nature of information within the values assigned to variables. [1] Psychologist Stanley Smith Stevens developed the best-known classification with four levels, or scales, of measurement: nominal , ordinal , interval , and ratio .

  3. Metrology - Wikipedia

    en.wikipedia.org/wiki/Metrology

    A national measurement system (NMS) is a network of laboratories, calibration facilities and accreditation bodies which implement and maintain a country's measurement infrastructure. [8] [9] The NMS sets measurement standards, ensuring the accuracy, consistency, comparability, and reliability of measurements made in the country. [57]

  4. Statistical data type - Wikipedia

    en.wikipedia.org/wiki/Statistical_data_type

    The concept of data type is similar to the concept of level of measurement, but more specific. For example, count data requires a different distribution (e.g. a Poisson distribution or binomial distribution) than non-negative real-valued data require, but both fall under the same level of measurement (a ratio scale).

  5. Measurement - Wikipedia

    en.wikipedia.org/wiki/Measurement

    The measurement of a property may be categorized by the following criteria: type, magnitude, unit, and uncertainty. [citation needed] They enable unambiguous comparisons between measurements. The level of measurement is a taxonomy for the methodological character of a comparison. For example, two states of a property may be compared by ratio ...

  6. Image resolution - Wikipedia

    en.wikipedia.org/wiki/Image_resolution

    The measure of how closely lines can be resolved in an image is called spatial resolution, and it depends on properties of the system creating the image, not just the pixel resolution in pixels per inch (ppi). For practical purposes the clarity of the image is decided by its spatial resolution, not the number of pixels in an image.

  7. These are the top 100 Black Friday deals, according to Walmart

    www.aol.com/lifestyle/these-are-the-top-100...

    Canon EOS 2000D DSLR Camera for $369.99 (save $90) Black Friday k ... Beautypeak Full Length Mirror for $45.99 (save $153.01) ... US importers set to accelerate shipments to record levels on ...

  8. College Football Playoff ranking projection: How will SEC ...

    www.aol.com/college-football-playoff-ranking...

    The Nittany Lions next face a big road test against Minnesota, which had won four in a row before falling to Rutgers. This seems to be the only spot that can trip them up on way to the playoff. 5.

  9. Instrumentation - Wikipedia

    en.wikipedia.org/wiki/Instrumentation

    Instrumentation is a collective term for measuring instruments, used for indicating, measuring, and recording physical quantities.It is also a field of study about the art and science about making measurement instruments, involving the related areas of metrology, automation, and control theory.