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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Subsampling for Rare Events Data and maximum sampled conditional likelihood
罕见事件数据 子采样 最大采样 条件似然
2023/5/15
In this talk, we show that the available information about unknown parameters in rare events data is only tied to the relatively small number of cases, which justifies the usage of negative sampling. ...
Nonsingular subsampling for S-estimators with categorical predictors
Nonsingular subsampling S-estimators categorical predictors
2012/9/18
An integral part of many algorithms for S-estimators of linear regression is random subsam-pling. For problems with only continuous predictors simplerandom subsampling is a reliable method to generate...
Asymptotic distributions and subsampling in spectral analysis for almost periodically correlated time series
α-mixing properties almost periodically correlated time series consistency spectral analysis subsampling
2011/3/21
The aim of this article is to establish asymptotic distributions and consistency of subsampling for spectral density and for magnitude of coherence for non-stationary, almost periodically correlated t...
SOME RESULTS ON THE SUBSAMPLING FOR (p-MIXING PERIODICALLY STRICTLY STATIONARY TIME SERIES
Periodically correlated time series subsampling,consistency cp-mixing property
2009/9/18
The article deals with the special subclass of cp-mixing
periodically correlated (PC) time series and the estimation of autocovariance
through Fourier coefficients. The aim is to investigate
whethe...
Subsampling needlet coefficients on the sphere
random fields spherical wavelets subsampling Voronoi cells
2010/4/29
In a recent paper, we analyzed the properties of a new kind of spherical wavelets (called needlets)for statistical inference procedures on spherical random fields; the investigation was mainly motivat...