Results 91 to 100 of about 436,392 (296)

Restricted Tweedie stochastic block models

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract The stochastic block model (SBM) is a widely used framework for community detection in networks, where the network structure is typically represented by an adjacency matrix. However, conventional SBMs are not directly applicable to an adjacency matrix that consists of nonnegative zero‐inflated continuous edge weights.
Jie Jian, Mu Zhu, Peijun Sang
wiley   +1 more source

LUNG CANCER IN UKRAINE

open access: yesКлінічна та профілактична медицина
Introduction. In 2022, 155,239 new cases of cancer and 84,153 deaths were registered in Ukraine. Among them, lung cancer was diagnosed in 18% of men and 1.4% of women.
Oleksandr I. Vynnychenko   +2 more
doaj   +1 more source

EDUCATIONAL MOBILITY IN TIME OF WAR: RISKS OF HUMAN POTENTIAL’S LOSSES IN UKRAINE

open access: bronze, 2022
V. V. Nebrat   +2 more
openalex   +2 more sources

Hidden Markov graphical models with state‐dependent generalized hyperbolic distributions

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract In this article, we develop a novel hidden Markov graphical model to investigate time‐varying interconnectedness between different financial markets. To identify conditional correlation structures under varying market conditions and accommodate shape features embedded in financial time series, we rely upon the generalized hyperbolic family of ...
Beatrice Foroni   +2 more
wiley   +1 more source

Beryllium mining and environmental protection: prospects for the creation of the Polissia Beryllium Reserve

open access: yesGeo&Bio
In the near future, beryllium mining may begin near and within the Polissia Nature Reserve, and there are grounds for establishing the Polissia Beryllium Reserve, following the example of the Chornobyl Radiation and Ecological Reserve.
Sergiy Zhyla
doaj   +1 more source

Home - About - Disclaimer - Privacy