Results 71 to 80 of about 74,761 (297)

APLIKASI PERENCANAAN PEMBELIAN BARANG PADA PERUSAHAAN MANGGALA MOTOR DENGAN MENGGUNAKAN METODE ARIMA

open access: yesJurnal Informatika, 2009
Manggala Motor is a vehicles selling company. Occasionally the company lacks goods stock so that it can not obtain maximal profit because the customer needs can not be compiled by the company directly.
Yulia ., Tanti Octavia, Danny Wijaya
doaj  

Statistical trend analysis and forecast modeling of air pollutants [PDF]

open access: yesGlobal Journal of Environmental Science and Management, 2018
The study provides a statistical trend analysis of different air pollutants using Mann-Kendall and Sen’s slope estimator approach on past pollutants statistics from air quality index station of Varanasi, India.
A. Jaiswal, C. Samuel, V.M. Kadabgaon
doaj   +1 more source

Return and Volatility Spillovers Among Major Cotton Markets

open access: yesAgribusiness, EarlyView.
ABSTRACT This study explores return and volatility transmission among major cotton markets. Several events have disrupted cotton supply and demand in recent years, leading to heightened price volatility and significant shifts in market interconnections.
Susmitha Kalli   +3 more
wiley   +1 more source

Autoregressive integrated moving average model–based secure data aggregation for wireless sensor networks

open access: yesInternational Journal of Distributed Sensor Networks, 2020
Nodes in a wireless sensor network are normally constrained by hardware and environmental conditions and face challenges of reduced computing capabilities and system security vulnerabilities.
Hongtao Song   +4 more
doaj   +1 more source

Peramalan Jumlah Mahasiswa Baru dengan Model Autoregressive Integrated Moving Average (Arima) [PDF]

open access: yes, 2017
Peramalan jumlah mahasiswa baru merupakan salah satu hal yang dapat dipakai untuk bahan perencanaan proses belajar mengajar, oleh karena itu perlu dilakukan prediksi jumlah mahasiswa baru. Penelitian ini dilakukan di kampus STMIK Pradnya Paramita Malang.
As’ad, M. (Mohamad)   +2 more
core  

Modeling volatility in heat rate variability [PDF]

open access: yes, 2016
Modeling Heart Rate Variability (HRV) data has become important for clinical applications and as a research tool. These data exhibit long memory and time-varying conditional variance (volatility).
Leite, A, Maria Eduarda Silva, Rocha, AP
core   +1 more source

Pricing Dynamics in the US Hemp Market: A Vertical Price Transmission Analysis of the Hemp Value Chain

open access: yesAgribusiness, EarlyView.
ABSTRACT The US hemp market is a new and nascent industry that has been devoid of research for about half a century. This study examined the effects of exogenous shock on price at each phase of the value chain—Farm (hemp biomass), and its impact on prices at other phases of the value chain—Intermediary Processor (crude cannabidiol hemp) and Final ...
Solomon Odiase   +2 more
wiley   +1 more source

Forecasting air quality index data with autoregressive integrated moving average models

open access: yesEQA
Air pollution arises from several sources, encompassing industrial, transportation, and home activities, and carries significant implica- tions for environmental health. High population mobility in a place, such as Jakarta, might exacerbate air pollution.
Arie Vatresia   +4 more
doaj   +1 more source

The Geography of Success: A Spatial Analysis of Export Intensity in the Italian Wine Industry

open access: yesAgribusiness, EarlyView.
ABSTRACT This paper investigates the paradox of how Italy's fragmented, SME‐dominated wine industry achieves global export success. Moving beyond purely firm‐centric explanations, we test whether export intensity is spatially dependent, clustering geographically in regional ecosystems.
Nicolas Depetris Chauvin, Jonas Di Vita
wiley   +1 more source

Cost Pass‐Through in Crisis: Evidence From the German Malt‐Beer Supply Chain

open access: yesAgribusiness, EarlyView.
Abstract Global agri‐food supply chains are increasingly exposed to geopolitical shocks, climate volatility, and market consolidation, factors that disrupt traditional price relationships and reshape market power dynamics. Nowhere is this more visible than in the brewing sector, where agricultural raw materials meet complex industrial processing and ...
Nikolas Bublik, Lukáš Čechura
wiley   +1 more source

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