Results 91 to 100 of about 788,535 (301)
Some sharp performance bounds for least squares regression with $L_1$ regularization
, 2009 We derive sharp performance bounds for least squares regression with $L_1$ regularization from parameter estimation accuracy and feature selection quality perspectives.
Zhang, Tong
core +2 more sources
Evolutionarily divergent DUF4465 domains have a common vitamin B12‐binding function
FEBS Open Bio, EarlyView.We show that DUF4465 family proteins, widespread across bacteria from gut microbiomes, hydrothermal vents, and soil, share a common vitamin B12‐binding function. These augmented β‐jellyroll proteins bind vitamin B12 via extended loops. Our findings establish sequence‐diverse DUF4465 proteins as a widespread class of B12‐binding proteins, highlighting ...
Charlea Clarke +4 more
wiley +1 more source
Inference on Time-Invariant Variables using Panel Data: A Pre-Test Estimator with an Application to the Returns to Schooling [PDF]
This paper proposes a new pre-test estimator of panel data models including time invariant variables based upon the Mundlak-Krishnakumar estimator and an "unrestricted” Hausman-Taylor estimator. The paper evaluates the biases of currently used restricted
Jean-Bernard Chatelain, Kirsten Ralf
core
FEBS Open Bio, EarlyView.Bioscience students were asked for their opinions on the value and teaching of skills. 204 responded that teamwork, time management and study skills are necessary to reach University, that scientific writing, research, laboratory and presentation skills are taught effectively during their studies, while other skills are gained inherently through study ...
Janella Borrell, Susan Crennell
wiley +1 more source
Engineering Science and Technology, an International JournalThe aim of this paper is to enhance the accuracy and speed of receivers in integrated Global Navigation Satellite System (GNSS) systems, ensuring the ability to maintain precise and high-quality positioning even in blocking conditions.
K. Bahmani, M.R. Mosavi, A. Sadr
doaj +1 more source
NBA Expansion and Relocation: A Viability Study of Various Cities [PDF]
An examination of possible expansion or relocation sites for the NBA is undertaken using a two-equation system requiring two-stage probit least squares to estimate.
Rascher, Daniel, Rascher, Heather
core +1 more source
FEBS Open Bio, EarlyView.Evolutionary analysis across 32 placental mammals identified positive selection at residues H148 and W149 in the immune receptor FcγR1. Ancestral reconstruction combined with molecular dynamics simulations reveals how these mutations may influence receptor structure and dynamics, providing insight into the evolution of antibody recognition and immune ...
David A. Young +7 more
wiley +1 more source
A Hybrid Model for Carbon Price Forecasting Based on Secondary Decomposition and Weight Optimization
MathematicsAccurate carbon price forecasting is essential for market stability, risk management, and policy-making. To address the nonlinear, non-stationary, and multiscale nature of carbon prices, this paper proposes a forecasting framework integrating secondary ...
Yongfa Chen +3 more
doaj +1 more source
Comparable Estimates of Intergenerational Income Mobility in Italy [PDF]
This paper examines the degree of intergenerational economic mobility in Italy. It adds to the growing number of international studies of the extent to which economic status is passed on across generations.
Patrizio Piraino
core
FEBS Open Bio, EarlyView.Abruptly changing from aerobic to anaerobic conditions (sudden anaerobization) induced growth inhibition and a significant increase in intracellular labile ferrous iron in the aerotolerant anaerobe Amphibacillus xylanus. We found that free flavins mediate efficient electron transfer from NADH to ferric iron under anaerobic conditions, suggesting that ...
Shinya Kimata +13 more
wiley +1 more source