Results 1 to 10 of about 1,102,645 (274)

Application of mathematical modeling in probability theory and mathematical statistics [PDF]

open access: diamondE3S Web of Conferences
In this academic paper, the application of mathematical modeling in the fields of probability theory and mathematical statistics is rigorously explored.
Egamov Mirshohid   +3 more
doaj   +2 more sources

Time-fractional generalized fifth-order KdV equation: Lie symmetry analysis and conservation laws

open access: yesFrontiers in Physics, 2023
The purpose of this study is to apply the Lie group analysis method to the time-fractional order generalized fifth-order KdV (TFF-KdV) equation. We examine applying symmetry analysis to the TFF-KdV equation with the Riemann–Liouville (R–L) derivative ...
Zhenli Wang   +4 more
doaj   +1 more source

Discussion: Latent variable graphical model selection via convex optimization [PDF]

open access: yes, 2012
Discussion of "Latent variable graphical model selection via convex optimization" by Venkat Chandrasekaran, Pablo A. Parrilo and Alan S. Willsky [arXiv:1008.1290].Comment: Published in at http://dx.doi.org/10.1214/12-AOS984 the Annals of Statistics ...
Giraud, Christophe, Tsybakov, Alexandre
core   +5 more sources

An assessment of the role of socio-economic, maternal and service utilization factors in increasing self-reported maternal complications in India

open access: yesBMC Pregnancy and Childbirth, 2021
Background Self-reported maternal complications are associated with maternal morbidity, deliveries by C-section, postpartum depression, and maternal death.
Pradeep Kumar   +3 more
doaj   +1 more source

Time-frequency feature extraction for classification of episodic memory

open access: yesEURASIP Journal on Advances in Signal Processing, 2020
This paper investigates the extraction of time-frequency (TF) features for classification of electroencephalography (EEG) signals and episodic memory. We propose a model based on the definition of locally stationary processes (LSPs), estimate the model ...
Rachele Anderson, Maria Sandsten
doaj   +1 more source

Discussion: "A significance test for the lasso" [PDF]

open access: yes, 2014
Discussion of "A significance test for the lasso" by Richard Lockhart, Jonathan Taylor, Ryan J. Tibshirani, Robert Tibshirani [arXiv:1301.7161].Comment: Published in at http://dx.doi.org/10.1214/13-AOS1175B the Annals of Statistics (http://www.imstat ...
Cai, T. Tony, Yuan, Ming
core   +5 more sources

Risk quantification using skewed distributions: An application to the South African Financial Index (J580) [PDF]

open access: yesITM Web of Conferences
This study assesses the reproducibility of a recent publication on the risk quantification of the South African Financial Index (J580) using skewed distributions. That is, four skewed distributions (Burr, exponential, gamma and Weibull) are fitted to the
Shongwe Sandile Charles   +2 more
doaj   +1 more source

Artificial neural networks improve and simplify intensive care mortality prognostication: a national cohort study of 217,289 first-time intensive care unit admissions

open access: yesJournal of Intensive Care, 2019
Purpose We investigated if early intensive care unit (ICU) scoring with the Simplified Acute Physiology Score (SAPS 3) could be improved using artificial neural networks (ANNs). Methods All first-time adult intensive care admissions in Sweden during 2009–
Gustav Holmgren   +3 more
doaj   +1 more source

A novel hybrid dimension reduction technique for efficient selection of bio-marker genes and prediction of heart failure status of patients

open access: yesScientific African, 2021
This study highlighted and provided a conceptual framework of a hybridized dimension reduction by combining Genetic Algorithms (GA) and Boruta Algorithm (BA) with Deep Neural Network (DNN).
Kazeem Adesina Dauda   +2 more
doaj   +1 more source

Comment: Citation Statistics [PDF]

open access: yes, 2009
Comment on "Citation Statistics" [arXiv:0910.3529]Comment: Published in at http://dx.doi.org/10.1214/09-STS285C the Statistical Science (http://www.imstat.org/sts/) by the Institute of Mathematical Statistics (http://www.imstat ...
Goldstein, Harvey, Spiegelhalter, David
core   +1 more source

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