Results 41 to 50 of about 181,747 (177)

The Color of Noise and Weak Stationarity at the NREM to REM Sleep Transition in Mild Cognitive Impaired Subjects

open access: yesFrontiers in Psychology, 2018
In Older Adults (OAs), Electroencephalogram (EEG) slowing in frontal lobes and a diminished muscle atonia during Rapid Eye Movement sleep (REM) have each been effective tracers of Mild Cognitive Impairment (MCI), but this relationship remains to be ...
Alejandra Rosales-Lagarde   +13 more
doaj   +1 more source

US Flood risk management in changing times

open access: yesWater Policy, 2021
The traditional regulatory and policy approach to flood risk in the US has been the optimization of benefits and costs, broadly mandated by federal policy.
Gregory B. Baecher, Gerald E. Galloway
doaj   +1 more source

Water rights, river compacts, and legal-policy stationarity in the American West

open access: yesEnvironmental Research Letters, 2020
This article examines static-data assumptions trapped in water rights and, separately, in larger interstate river compacts in the American West. These reflect assumptions of scalar stationarity embedded in water codes in western states.
Eric P Perramond
doaj   +1 more source

Innovative Design and Kinematic Characteristics Analysis of Floating Mobile Chassis of Inspection Robot

open access: yesMachines, 2022
In view of the problems that exist in the working plane of the inspection robot equipped with precision instruments that cannot always maintain a stable state when moving on a complex road surface, a floating mobile chassis was designed based on the ...
Chengjun Wang   +3 more
doaj   +1 more source

Аnalysis of cointegration relationships between Аzerbaijan’s balance of payments and world oil prices

open access: yesФинансы: теория и практика
In a number of countries, an important economic problem is the imbalance of foreign economic relations, which manifests itself, in particular, in the positive and negative balances of the current account of the balance of payments.
N. S. Ayyubova
doaj   +1 more source

Heads and Tails of Earnings Management: Quantitative Analysis in Emerging Countries

open access: yesRisks, 2020
Earnings management is a globally used tool for long-term profitable enterprises and for the apparatus of reduction of bankruptcy risk in developed countries. This phenomenon belongs to the integral and fundamental part of their business finance. However,
Pavol Durana   +4 more
doaj   +1 more source

The Computational Complexity of Estimating Convergence Time [PDF]

open access: yes, 2010
An important problem in the implementation of Markov Chain Monte Carlo algorithms is to determine the convergence time, or the number of iterations before the chain is close to stationarity. For many Markov chains used in practice this time is not known.
Bhatnagar, Nayantara   +2 more
core  

PERAMALAN PENGGUNAAN LISTRIK DI PROVINSI BALI MENGGUNAKAN METODE ARIMA

open access: yesE-Jurnal Matematika
This study aims to forecast electricity consumption in the Province of Bali using the ARIMA (Autoregressive Integrated Moving Average) method. The forecasting process is based on monthly electricity usage data spanning from January 2015 to June 2024. The
I GEDE GANA ARIAWAN   +2 more
doaj   +1 more source

Spatial uncertainty of a geoid undulation model in Guayaquil, Ecuador

open access: yesOpen Geosciences, 2017
Geostatistics is a discipline that deals with the statistical analysis of regionalized variables. In this case study, geostatistics is used to estimate geoid undulation in the rural area of Guayaquil town in Ecuador.
Chicaiza E.G.   +3 more
doaj   +1 more source

Studying the Stability of Some Models Combinatory with Application [PDF]

open access: yesAl-Rafidain Journal of Computer Sciences and Mathematics, 2010
In  this paper we find the statistical properties (Moments) of the harmonic model with additive noise, The stability of the mixed spectra (linear and non-linear models)  for special case (low order) by using the Ozaki linear approximation method is found
Abdulghafoor Salim, Raad Alhamdani
doaj   +1 more source

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