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  2. Prism (Katy Perry album) - Wikipedia

    en.wikipedia.org/wiki/Prism_(Katy_Perry_album)

    Prism is the fourth studio album by American singer Katy Perry. It was released by Capitol Records on October 18, 2013. While the album was initially planned to be "darker" than her previous material, Prism ultimately became a prominently dance-inspired record. Perry worked with several past collaborators, while enlisting new producers and ...

  3. PRISM - Wikipedia

    en.wikipedia.org/wiki/PRISM

    t. e. PRISM is a code name for a program under which the United States National Security Agency (NSA) collects internet communications from various U.S. internet companies. [1] [2] [3] The program is also known by the SIGAD US-984XN. [4] [5] PRISM collects stored internet communications based on demands made to internet companies such as Google ...

  4. Bonferroni correction - Wikipedia

    en.wikipedia.org/wiki/Bonferroni_correction

    The Bonferroni correction compensates for that increase by testing each individual hypothesis at a significance level of , where is the desired overall alpha level and is the number of hypotheses. [4] For example, if a trial is testing hypotheses with a desired overall , then the Bonferroni correction would test each individual hypothesis at .

  5. Holm–Bonferroni method - Wikipedia

    en.wikipedia.org/wiki/Holm–Bonferroni_method

    Thus, The Hochberg procedure is uniformly more powerful than the Holm procedure. However, the Hochberg procedure requires the hypotheses to be independent or under certain forms of positive dependence, whereas Holm–Bonferroni can be applied without such assumptions. A similar step-up procedure is the Hommel procedure, which is uniformly more ...

  6. ACP 125 - Wikipedia

    en.wikipedia.org/wiki/ACP_125

    ACP 125 (US SUPP-2): Radiotelephone Procedures for the Conduct of Artillery and Naval Gunfire (U) International use [ edit ] Although the standard is designed for use by all NATO countries, especially when operating in conjunction with each other, some efforts have been made in the past to translate the procedure words into the native language ...

  7. Naval Air Training and Operating Procedures Standardization

    en.wikipedia.org/wiki/Naval_Air_Training_and...

    The Naval Air Training and Operating Procedures Standardization ( NATOPS) program (pronounced NAY-Tops) prescribes general flight and operating instructions and procedures applicable to the operation of all United States naval aircraft and related activities. The program issues policy and procedural guidance of the Chief of Naval Operations ...

  8. Fixation disparity - Wikipedia

    en.wikipedia.org/wiki/Fixation_disparity

    Eye glasses with an included prism power is the optical method to reduce a fixation disparity. Different procedures have been proposed to determine the required amount of prism for the individual. Based on prism-FD curves (Fig. 3b), one can find the aligning prism sP 0 that nullifies the naturally prevailing fixation disparity sFD 0. This test ...

  9. Heckman correction - Wikipedia

    en.wikipedia.org/wiki/Heckman_correction

    The Heckman correction is a two-step M-estimator where the covariance matrix generated by OLS estimation of the second stage is inconsistent. [7] Correct standard errors and other statistics can be generated from an asymptotic approximation or by resampling, such as through a bootstrap. [8]