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stat.ME2025
Making high-order asymptotics practical: correcting goodness-of-fit test for astronomical count data
Xiaoli Li, Yang Chen, Xiao-Li Meng +3
The C statistic is a widely used likelihood-ratio statistic for model fitting and goodness-of-fit assessments with Poisson data in high-energy physics and astrophysics. Although it…
stat.ME2025
Properties and approximations of a Bessel distribution for data science applications
Massimiliano Bonamente
This paper presents properties and approximations of a random variable based on the zero-order modified Bessel function that results from the compounding of a zero-mean Gaussian wi…