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physics.data-an2019★ 63 cited
Combined Neyman-Pearson Chi-square: An Improved Approximation to the Poisson-likelihood Chi-square
Xiangpan Ji, Wenqiang Gu, Xin Qian +2
We describe an approximation to the widely-used Poisson-likelihood chi-square using a linear combination of Neyman's and Pearson's chi-squares, namely "combined Neyman-Pearson chi-…
physics.data-an2017★ 50 cited
Data Unfolding with Wiener-SVD Method
W. Tang, X. Li, X. Qian +2
Data unfolding is a common analysis technique used in HEP data analysis. Inspired by the deconvolution technique in the digital signal processing, a new unfolding technique based o…