Results 31 to 40 of about 12,457,487 (268)

On the Subrange and Its Application to the R-Chart

open access: yesApplied Sciences, 2021
The conventional sample range is widely used for the construction of an R-chart. In an R-chart, the sample range estimates the standard deviation, especially in the case of a small sample size.
En Xie   +3 more
doaj   +1 more source

A novel method for single-valued neutrosophic multi-criteria decision making with incomplete weight information [PDF]

open access: yesNeutrosophic Sets and Systems, 2014
A single-valued neutrosophic set (SVNS) and an interval neutrosophic set (INS) are two instances of a neutrosophic set, which can efficiently deal with uncertain, imprecise, incomplete, and inconsistent information.
Zhiming Zhang, Chong Wu
doaj  

PREDICTING AND ANALYZING OF TURKISH SUGAR PRICE WITH ARCH, GARCH, EGARCH AND ARIMA METHODS [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2021
Using GARCH(p,q) models, in this study our aim is to examine and search the characteristics of volatility of Turkish sugar price. Due to the ARCH effects on price, ARCH(q), GARCH(p,q) and EGARCH(p,q) including these effects on mean and variance equations
Mehmet Arif ŞAHİNLİ
doaj  

Stochastic green profit-maximizing hub location problem [PDF]

open access: yes, 2023
This paper proposes a two-stage stochastic profit-maximizing hub location problem (HLP) with uncertain demand. Additionally, the model incorporates several carbon regulations, such as carbon tax policy (CTP), carbon cap-and-trade policy (CCTP), carbon ...
Salari, Majid   +7 more
core   +1 more source

Multi-Modal Subspace Fusion via Cauchy Multi-Set Canonical Correlations

open access: yesIEEE Access, 2020
Multi-set canonical correlation analysis (MCCA) is a famous multi-modal coherent subspace learning method. However, sample-based between-modal and within-modal covariance matrices of MCCA usually deviate from real covariance matrices due to noise ...
Yanmin Zhu   +3 more
doaj   +1 more source

MABAC method for multiple attribute group decision making under single-valued neutrosophic sets and applications to performance evaluation of sustainable microfinance groups lending

open access: yesPLoS ONE, 2023
As an important supplement to my country’s financial institutions, micro-loan companies serve "agriculture, rural areas and farmers", small and micro enterprises, and individuals, to a certain extent, alleviating the financing difficulties of such groups
Hui Ran
doaj   +2 more sources

Master-Slave Game-Based Robust Pricing Method of Shared Energy Storage Considering Renewable Energy Accommodation and Energy Storage Participating in Frequency Modulation

open access: yesZhongguo dianli, 2023
For the unclear trading mechanism of large-scale energy storage application and the difficulty in recovering investment costs, this paper proposes a pricing method for shared energy storage.
Caijuan QI   +3 more
doaj   +1 more source

Approach to Multi-Timescale Optimization for Distributed Energy Resources Clusters Considering Flexibility Margin

open access: yesEnergies, 2022
The disordered access of massively distributed energy resources (DERs) brings great challenges to the operation stability of the power grid. This paper puts forward the concept of a cluster, which gathers DERs in large quantities, small capacities ...
Bo Li   +5 more
doaj   +1 more source

Social Functioning Within the First Years After Pediatric Brain Tumor Diagnosis and the Relationship With Family Psychosocial Risk

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Survivors of pediatric brain tumors (PBTs) can experience long‐term social difficulties, impacting quality of life. Beyond medical and environmental factors, family psychosocial risk may play a role in social outcomes by shaping the caregiving environment and may provide intervention options.
Renske H. Houben   +4 more
wiley   +1 more source

Return Forecasting by Various Risk Measures: Evidences from Tehran Stock Exchange [PDF]

open access: yesمطالعات تجربی حسابداری مالی, 2010
Maximizing of wealth or better say, end of period expected utility is the main goal of investors. But because of uncertainty of price changes, investors act in an unsafe environment and any risk reduction will redound to decreasing in expected return ...
S.M Shariat Panahi, J. Ebadi, M. Peimani
doaj  

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