Results 151 to 160 of about 54,912 (316)
A STRUCTURAL-EQUATION GME ESTIMATOR
A generalized maximum entropy estimator is developed for the linear simultaneous equations systems model. We provide results on large and small sample properties of the estimator.
Mittelhammer, Ronald C. +2 more
core
FEBS Open Bio, EarlyView.Despite frogs avoiding low temperatures, examination of four salamander species revealed that none avoided cold and all possessed cold tolerance. Functional analysis of TRPM8, a cold sensor, showed that all salamander TRPM8s had lost their cold sensitivity.
Tadahiro Sawao +3 more
wiley +1 more source
Indirect inference in spatial autoregression
, 2014 Ordinary least squares (OLS) is well-known to produce an inconsistent estimator of the spatial parameter in pure spatial autoregression (SAR). This paper explores the potential of indirect inference to correct the inconsistency of OLS.
Rossi, Francesca +2 more
core
Self-Consistent Nonparametric Maximum Likelihood Estimator of the Bivariate Survivor Function. [PDF]
Biometrika, 2014 Prentice RL.
europepmc +1 more source
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
Garch Parameter Estimation Using High-Frequency Data
Estimation of the parameters of Garch models for financial data is typically based on daily close-to-close returns. This paper shows that the efficiency of the parameter estimators may be greatly improved by using volatility proxies based on intraday ...
Visser, Marcel P.
core
Autocorrelation and masked heterogeneity in panel data models estimated by maximum likelihood [PDF]
In a panel data model with random effects, when autocorrelation in the error is considered, (Gaussian) maximum likelihood estimation produces a dramatically large number of corner solutions: the variance of the random effect appears (incorrectly) to be ...
Giorgio Calzolari, Laura Magazzini
core
Estimation of P(Y < X) in the Case of Exponentiated Weibull Distribution [PDF]
The Egyptian Statistical Journal, 2008 Amal Hassan, Dawlat Al-Sulami
doaj +1 more source
FEBS Open Bio, EarlyView.Activation of the mitochondrial protein OXR1 increases pSyn129 αSynuclein aggregation by lowering ATP levels and altering mitochondrial membrane potential, particularly in response to MSA‐derived fibrils. In contrast, ablation of the ER protein EMC4 enhances autophagic flux and lysosomal clearance, broadly reducing α‐synuclein aggregates.
Sandesh Neupane +11 more
wiley +1 more source
A targeted maximum likelihood estimator for two-stage designs. [PDF]
Int J Biostat, 2011 Rose S, van der Laan MJ.
europepmc +1 more source