Results 121 to 130 of about 354,309 (252)

R-estimation with right-censored data. [PDF]

Lifetime Data Anal
Satten GA, Li M, Zhao N, Strawderman RL.
europepmc   +1 more source

Redistributive land reforms, agricultural productivity, and structural change: New cross‐national evidence

American Journal of Agricultural Economics, EarlyView.
Abstract Large‐scale land reforms constitute a substantial redistribution of wealth and reallocation of agricultural land, which is a major form of asset and production input in developing countries. While land redistribution (from the rich to the poor) remains a highly controversial issue, extensive evidence on its effect is limited.
Devashish Mitra, Abdulaziz B. Shifa, Lan Anh Tong, Mehmet A. Ulubasoglu   +3 more
wiley   +1 more source

An AI for diseases or a sick AI? The epistemological pathology of big data overload and the loss of statistical significance. [PDF]

Front Artif Intell
Roccetti M.
europepmc   +1 more source

The role of venture‐financed startups in innovation for US agriculture

American Journal of Agricultural Economics, EarlyView.
Abstract To evaluate the role played by startup companies in the innovation ecosystem of US agriculture, we compile a unique dataset of 6024 new entrants founded 1987–2019 that details their financing lifecycles, annual economic performance, and patenting activities.
Gregory D. Graff, Charles A. W. de Grazia, Nicholas E. Rada   +2 more
wiley   +1 more source

Improved Asymptotic Friis Formula with Higher-Order Terms: Calculating Antenna Coupling in Close Proximity. [PDF]

Sensors (Basel)
Kim I, Lee JH.
europepmc   +1 more source

Exposure to heat waves and drought improves subsequent leaf heat tolerance for five oak species in southern California

American Journal of Botany, EarlyView.
Abstract Premise Given the threats of climate change, we investigated the impact of high temperatures separately and in combination with reduced soil water on leaf heat tolerance for five oaks (Fagaceae) with overlapping ranges in southern California, USA: Quercus agrifolia and Q. chrysolepis (evergreen species), Q. douglasii and Q.
Casey D. Wisely, G. Olivia Plumb, Mira N. Ranganath, Emily Dolida, Ishan Ashford, Graham Luethe, Tim Thibault, Gretchen B. North   +7 more
wiley   +1 more source

Sandwich Variance Estimation in Scale Mixture of Skew-Normal Linear Mixed Models. [PDF]

Stat Med
Travassos K, Matos LA, Schumacher FL.
europepmc   +1 more source

Association Between Genetic Ancestry and Multiple Sclerosis Severity

Annals of Neurology, EarlyView.
Objective The objective of this study was to determine whether genetic ancestry is associated with differences in the clinical course of multiple sclerosis (MS). Methods Participants with MS living in the United Kingdom >18 years old were recruited from 2021 to 2025 and genotyped from saliva using a commercial array. Genetic ancestry was inferred using
Benjamin M. Jacobs, Emily Tregaskis‐Daniels, Luisa Schalk, Jakub Nagrodski, ADAMS investigators, Michelle Peter, Rashmi Kaimal, Roxanne Murray, Sadid Hoque, Terri‐Louise Brown, Ghaniah Hassan‐Smith, Helen L. Ford, Bruno Gran, Karim L. Kreft, Cord Spilker, Outi Quinn, David Rog, Miriam Mattoscio, Elisa Visentin, Ramya Shamji, Grace Fawehinmi, Katila George, Maria Papachatzaki, Katharine Harding, Rod Middleton, Tarunya Arun, Waqar Rashid, Adil Harroud, Huw R. Morris, Eli Silber, Gavin Giovannoni, Alastair J. Noyce, Ruth Dobson   +32 more
wiley   +1 more source

Quantum Thermodynamic Transformation Optics: A Unified Framework for Energy and Entropy With Application to the Casimir Force in Dissipative Metamaterials. [PDF]

Nanophotonics
Sadeghi MM, Sarısaman M.
europepmc   +1 more source

Serum Chitotriosidase Links to Activated Glia at Chronic Active Lesion Rims in Multiple Sclerosis Brain

Annals of Neurology, EarlyView.
Objective The objective of this study was to explore the association between 18 kDa translocator protein (TSPO)‐positron emission tomography (PET)–measurable glial activation and serum chitotriosidase (CHIT1) in people with multiple sclerosis (pwMS), and its expression in postmortem MS brain tissue.
Venla Ahola, Maija Saraste, Edoardo Pedrini, Joel Tuomaala, Luzia Buchholz, Markus Matilainen, Johanna Lindenberg, Eeva‐Christine Brockmann, Maria Sofia Martire, Sofia Sandgren, David Leppert, Jens Kuhle, Tanja Kuhlmann, Martina Absinta, Laura Airas   +14 more
wiley   +1 more source