Results 151 to 160 of about 11,492 (243)

Nowcasting World Trade With Machine Learning: A Three‐Step Approach

Journal of Forecasting, EarlyView.
ABSTRACT We nowcast world trade using machine learning, distinguishing between tree‐based methods (random forest and gradient boosting) and their linear‐regression‐based counterparts (macroeconomic random forest and gradient boosting—linear). While much less used in the literature, the latter are found to outperform not only the tree‐based techniques ...
Menzie Chinn, Baptiste Meunier, Sebastian Stumpner   +2 more
wiley   +1 more source

Reprogrammable metamaterial robot with embodied versatile computation and mechanical intelligence. [PDF]

Nat Commun
Zhou W, Wang YZ.
europepmc   +1 more source

Review on Nested Array Design Research

Hangkong bingqi
Array signal processing is an important branch of signal processing, which is widely used in radar, sonar and wireless communication. Direction of arrival estimation, as one of its key applications, traditionally relies on the layout of uniform linear arrays. However, the estimation performance of such array configuration is quite limited.
openaire   +1 more source

Threshold Asymmetric Conditional Autoregressive Range (TACARR) Model

Journal of Forecasting, EarlyView.
ABSTRACT This paper introduces a Threshold Asymmetric Conditional Autoregressive Range (TACARR) model for analyzing the daily price ranges of financial assets. The proposed formulation assumes that the conditional expected range switches between two regimes, representing upward and downward market states, with the disturbance distribution also allowed ...
Isuru Ratnayake, V. A. Samaranayake
wiley   +1 more source

Condensin complexes: from chromatin organization to disease. [PDF]

Nucleus
Shu L, Zhang H.
europepmc   +1 more source

Operating Capacity, Pricing and Supply Elasticity in Container Shipping Markets

International Journal of Finance &Economics, EarlyView.
ABSTRACT We investigate the channels through which changes in operating capacity influence freight rates in the container shipping market using a novel dataset to create an operating capacity index at the shipping‐route level. Our analysis reveals that when supply elasticity is low, an increase in operating capacity tends to drive freight rates upward,
Cong Sui, Shang Wang, Jingmin Liang, Nikos K. Nomikos   +3 more
wiley   +1 more source

An Underwater Velocity-Independent DOA Estimation Based on Improved Toeplitz Matrix Reconstruction. [PDF]

Sensors (Basel)
Zhao X, Lei Z, Wang Y, Ning G.
europepmc   +1 more source

How Does Vulnerability Framing by Microfinance Institutions Leverage Funding Success in Crowdfunding?

International Journal of Finance &Economics, EarlyView.
ABSTRACT This study draws on framing theory to investigate how microfinance institutions (MFIs) strategically construct a vulnerability‐oriented organisational identity and how this framing influences their funding decisions during the pre‐campaign phase of prosocial crowdfunding.
Ana Paula Matias Gama, Ricardo Emanuel‐Correia, Fábio Duarte, Mário Augusto   +3 more
wiley   +1 more source

Two-Dimensional DOA Estimation of Coherent Sources Based on Uniform Linear Electromagnetic Vector Sensor Array. [PDF]

Sensors (Basel)
Zhang J, Lan X, Wang X.
europepmc   +1 more source

Tiny carriers, big impact: How Fusobacterium nucleatum extracellular vesicles drive oral diseases and beyond

Interdisciplinary Medicine, EarlyView.
This review explores how Fusobacterium nucleatum extracellular vesicles drive local oral diseases and distal pathologies via sophisticated cross‐compartment cross talk. It highlights the transformative potential of these “tiny carriers” as next‐generation molecular intermediaries for advanced health monitoring and innovative bio‐interventions by ...
Rongyang Ma, Jiahui Huang, Yitong Chen, Haoxuan Wang, Hang Zou, Wanghong Zhao, Zilong Deng   +6 more
wiley   +1 more source