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Computation of the Noncentral Chi-Square Distribution*
Bell System Technical Journal, 1969This article gives a formula that allows accurate values of the cumulative noncentral chi-square distribution to be computed. Although this distribution has been recognized for a long time, none of the standard references give formulae that are suitable for computing accurate values over an extensive range of the parameters; approximations in terms of ...
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The distribution of χ2 (chi squared)
1999The distribution of χ 2 (chi squared) is a continuous and asymmetrical distribution which ranges from 0 to + ∞ and is followed by a sum of squares of independent standardized normal variates. The χ 2 distribution and its application to frequency tables (chapter 15) were discovered by the British biometrician Karl Pearson (1857–1936), who was considered
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Combined Neyman–Pearson chi-square: An improved approximation to the Poisson-likelihood chi-square
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2020Xin Qian, Hanyu Wei, Chao Zhang
exaly
International Statistical Review / Revue Internationale de Statistique, 1972
Keith Ord, H. O. Lancaster
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Keith Ord, H. O. Lancaster
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