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Using specially designed exponential families for density estimation. (English) Zbl 0878.62028
Summary: We wish to estimate the probability density g(y) that produced an observed random sample of vectors y 1 ,y 2 ,,y n . Estimates of g(y) are traditionally constructed in two quite different ways: by maximum likelihood fitting within some parametric family such as the normal or by nonparametric methods such as kernel density estimation. These two methods can be combined by putting an exponential family “through” a kernel estimator. These are the specially designed exponential families mentioned in the title. Poisson regression methods play a major role in calculations concerning such families.
MSC:
62G07Density estimation
62F10Point estimation
62H12Multivariate estimation