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  2. Šidák correction for t-test - Wikipedia

    en.wikipedia.org/wiki/Šidák_correction_for_t-test

    One of the application of Student's t-test is to test the location of one sequence of independent and identically distributed random variables.If we want to test the locations of multiple sequences of such variables, Šidák correction should be applied in order to calibrate the level of the Student's t-test.

  3. Corner reflector - Wikipedia

    en.wikipedia.org/wiki/Corner_reflector

    This causes them to show a strong "return" on radar screens. A simple corner reflector consists of three conducting sheet metal or screen surfaces at 90° angles to each other, attached to one another at the edges, forming a "corner". These reflect radio waves coming from in front of them back parallel to the incoming beam.

  4. Klinkenberg correction - Wikipedia

    en.wikipedia.org/wiki/Klinkenberg_correction

    A more accurate correction factor can be obtained using Knudsen correction. When using nitrogen gas for core plug measurements, the Klinkenberg correction is usually necessary due to the so-called Klinkenberg gas slippage effect. This takes place when the pore space approaches the mean free path of the gas

  5. 2024 Formula 2 Championship - Wikipedia

    en.wikipedia.org/wiki/2024_Formula_2_Championship

    The Formula 2 Championship returned to Imola after the round in 2023 was cancelled as a result of mass flooding, which affected the region. [39] Formula 2 will make its debut in Qatar, supporting the Qatar Grand Prix at the Lusail International Circuit. The round at Circuit Zandvoort, supporting the Dutch Grand Prix, was removed from the calendar.

  6. Eyeglass prescription - Wikipedia

    en.wikipedia.org/wiki/Eyeglass_prescription

    Using a phoropter to determine a prescription for eyeglasses. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.

  7. PRISM - Wikipedia

    en.wikipedia.org/wiki/PRISM

    On June 8, 2013, the Director of National Intelligence issued a fact sheet stating that PRISM "is not an undisclosed collection or data mining program," but rather "an internal government computer system" used to facilitate the collection of foreign intelligence information "under court supervision, as authorized by Section 702 of the Foreign ...

  8. Error detection and correction - Wikipedia

    en.wikipedia.org/wiki/Error_detection_and_correction

    A checksum of a message is a modular arithmetic sum of message code words of a fixed word length (e.g., byte values). The sum may be negated by means of a ones'-complement operation prior to transmission to detect unintentional all-zero messages.

  9. False discovery rate - Wikipedia

    en.wikipedia.org/wiki/False_discovery_rate

    Using MFDR and formulas above, an adjusted MFDR (or AFDR) is the minimum of the mean for m dependent tests, i.e., () = (+) [⁡ +] +. Another way to address dependence is by bootstrapping and rerandomization.