Results 11 to 20 of about 371,594 (213)

Tuning the Voices of a Choir: Detecting Ecological Gradients in Time-Series Populations. [PDF]

open access: yesPLoS ONE, 2016
This paper introduces a new approach-the Principal Component Gradient Analysis (PCGA)-to detect ecological gradients in time-series populations, i.e. several time-series originating from different individuals of a population.
Allan Buras   +11 more
doaj   +1 more source

Inference in Univariate and Bivariate Autoregressive Models with Non-Normal Innovations [PDF]

open access: yesJournal of Mahani Mathematical Research, 2023
‎In this paper we consider the estimation, ‎order and model selection of autoregressive time series model which may be driven by non-normal innovations. ‎The paper makes two contributions.
Sedigheh Zamani Mehreyan   +1 more
doaj   +1 more source

Time Series Modelling of Syphilis Incidence in China from 2005 to 2012. [PDF]

open access: yesPLoS ONE, 2016
BACKGROUND:The infection rate of syphilis in China has increased dramatically in recent decades, becoming a serious public health concern. Early prediction of syphilis is therefore of great importance for heath planning and management.
Xingyu Zhang   +5 more
doaj   +1 more source

Mapping Invasive Tamarisk (Tamarix): A Comparison of Single-Scene and Time-Series Analyses of Remotely Sensed Data

open access: yesRemote Sensing, 2009
In this study, we tested the Maximum Entropy model (Maxent) for its application and performance in remotely sensing invasive Tamarix sp. Six Landsat 7 ETM+ satellite scenes and a suite of vegetation indices at different times of the growing season were ...
Paul H. Evangelista   +3 more
doaj   +1 more source

The Impact of Key Macroeconomic Indicators on Pakistan's Export and Import Performance: A Time Series Analysis (FY2011–FY2024)

open access: yesThe Critical Review of Social Sciences Studies
This paper investigates the impact of key macroeconomic variables on Pakistan's international trade performance, focusing on currency fluctuations, interest rates, inflation, and foreign direct investment, covering quarterly exports and imports from fiscal year 2011 to 2024.
null Sarah Islam   +2 more
openaire   +1 more source

Fusing Nature with Computational Science for Optimal Signal Extraction

open access: yesStats, 2021
Fusing nature with computational science has been proved paramount importance and researchers have also shown growing enthusiasm on inventing and developing nature inspired algorithms for solving complex problems across subjects.
Hossein Hassani   +2 more
doaj   +1 more source

Executive Functions and Pre-Frontal Cortex: A Matter of Persistence?

open access: yesFrontiers in Systems Neuroscience, 2011
Executive function is thought to originate in the dynamics of frontal cortical networks. We examined the dynamic properties of the blood oxygen level-dependent (BOLD) time-series measured with fMRI within the prefrontal cortex (PFC) to test the ...
Gareth eBall   +11 more
doaj   +1 more source

Identifying Energy Inefficiencies Using Self-Organizing Maps: Case of A Highly Efficient Certified Office Building

open access: yesApplied Sciences, 2023
Living and working in comfort while a building’s energy consumption is kept under control requires monitoring a system’s consumption to optimize the energy performance. The way energy is generally used is often far from optimal, which requires the use of
Hanaa Talei   +4 more
doaj   +1 more source

Does ESG performance promote vitality of capital market? Analysis from the perspective of stock liquidity

open access: yesFrontiers in Environmental Science, 2023
Environmental, Social, and Governance (ESG) is changing from a concept to corporate soft power. Can this improve corporate performance in capital markets?
Ran Chen   +4 more
doaj   +1 more source

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen   +23 more
wiley   +1 more source

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