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math.ST2016
Strong Gaussian approximation of the mixture Rasch model
Friedrich Liese, Alexander Meister, Johanna Kappus
We consider the famous Rasch model, which is applied to psychometric surveys when n persons under test answer m questions. The score is given by a realization of a random binary (n…
math.ST2016
Nonparametric adaptive estimation for grouped data
Céline Duval, Johanna Kappus
The aim of this paper is to estimate the density f of a random variable X when one has access to independent observations of the sum of K 2 independent copies of X. We provid…