correction formula

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• Correction for attenuation — is a statistical procedure, due to Spearman (1904), to rid a correlation coefficient from the weakening effect of measurement error (Jensen, 1998), a phenomenon also known as regression dilution. In measurement and statistics, it is also called… …   Wikipedia

• Formula calculator — A formula calculator is a software calculator that can perform a calculation in two steps:1. Type in a formula from the keyboard. 2. Press a single button or key to see the formula’s value. [Formula Calculators Pty Ltd [home page on the Internet] …   Wikipedia

• Semi-empirical mass formula — In nuclear physics, the semi empirical mass formula (SEMF), sometimes also called Weizsäcker s formula, is a formula used to approximate the mass and various other properties of an atomic nucleus. As the name suggests, it is partially based on… …   Wikipedia

• Bethe formula — The Bethe formula describes the energy loss per distance travelled of swift charged particles (protons, alpha particles, atomic ions, but not electrons) traversing matter (or, alternatively, the stopping power of the material). The non… …   Wikipedia

• Riemann-Hurwitz formula — In mathematics, the Riemann Hurwitz formula, named after Bernhard Riemann and Adolf Hurwitz, describes the relationship of the Euler characteristics of two surfaces when one is a ramified covering of the other. It therefore connects ramification… …   Wikipedia

• Yates' correction for continuity — In statistics, Yates correction for continuity, or Yates chi square test is used in certain situations when testing for independence in a contingency table. It is a requirement that a chi square test have the assumption that the discrete… …   Wikipedia

• Weyl character formula — In mathematics, the Weyl character formula in representation theory describes the characters of irreducible representations of compact Lie groups in terms of their highest weights. It is named after Hermann Weyl, who proved it in the late… …   Wikipedia

• Prism correction — Eye care professionals use prism correction as a component of some eyeglass prescriptions. A lens with prism correction displaces the image, which is used to treat muscular imbalance or other conditions (see vergence dysfunction) that cause… …   Wikipedia

• Heckman correction — The Heckman correction (the two stage method, Heckman s lambda or the Heckit method) is any of a number of related statistical methods developed by James Heckman in 1976 through 1979 which allow the researcher to correct for selection bias.… …   Wikipedia

• Sherman–Morrison formula — In mathematics, in particular linear algebra, the Sherman–Morrison formula,Jack Sherman and Winifred J. Morrison, [http://projecteuclid.org/euclid.aoms/1177729940 Adjustment of an Inverse Matrix Corresponding to Changes in the Elements of a Given …   Wikipedia

• Boltzmann's entropy formula — In statistical thermodynamics, Boltzmann s equation is a probability equation relating the entropy S of an ideal gas to the quantity W , which is the number of microstates corresponding to a given macrostate::S = k log W ! (1)where k is Boltzmann …   Wikipedia