Results 71 to 80 of about 994,443 (373)
Matrix rank and inertia formulas in the analysis of general linear models
Open Mathematics, 2017 Matrix mathematics provides a powerful tool set for addressing statistical problems, in particular, the theory of matrix ranks and inertias has been developed as effective methodology of simplifying various complicated matrix expressions, and ...
Tian Yongge
doaj +1 more source
Estimating the Gerber–Shiu Function in the Two-Sided Jumps Risk Model by Laguerre Series Expansion
Mathematics, 2023 In this paper, we consider an insurance risk model with two-sided jumps, where downward and upward jumps typically represent claim amounts and random gains, respectively. We use the Laguerre series to expand the Gerber–Shiu function and estimate it based
Kang Hu, Ya Huang, Yingchun Deng
doaj +1 more source
Nature, 1936 EARLY in 1937, the results of biological and spectroscopic tests for the vitamin A content of a specimen of halibut liver oil and of a concentrate prepared from it were published in NATURE1. Ten laboratories participated in this co-operative experiment.
openaire +2 more sources
M ESTIMATION, S ESTIMATION, AND MM ESTIMATION IN ROBUST REGRESSION [PDF]
International Journal of Pure and Apllied Mathematics, 2014 In regression analysis the use of least squares method would not be appropriate in solving problem containing outlier or extreme observations. So we need a parameter estimation method which is robust where the value of the estimation is not much affected by small changes in the data. In this paper we present M estimation, S estimation and MM estimation
Y. Susanti +3 more
openaire +1 more source
Insights into PI3K/AKT signaling in B cell development and chronic lymphocytic leukemia
FEBS Letters, EarlyView.This Review explores how the phosphoinositide 3‐kinase and protein kinase B pathway shapes B cell development and drives chronic lymphocytic leukemia, a common blood cancer. It examines how signaling levels affect disease progression, addresses treatment challenges, and introduces novel experimental strategies to improve therapies and patient outcomes.
Maike Buchner
wiley +1 more source
A Method of m-Point Sinusoidal Signal Amplitude Estimation
Measurement Science Review, 2016 The paper presents a new and original method of m-point estimation of sinusoidal signal amplitude. In this method, an m-point estimator is calculated on the basis of m initial signal samples. The way the estimator is constructed is explained. It is shown
Sienkowski Sergiusz
doaj +1 more source
Intelligent Two-Step Estimation Approach for Vehicle Mass and Road Grade
IEEE Access, 2020 Vehicle mass and road grade information is important to improve the control capability and further intellectualization of vehicles. With the aim of real-time estimation of mass and grade without additional sensors, a two-step estimator is proposed in ...
Xuebo Li, Jian Ma, Xuan Zhao, Lu Wang
doaj +1 more source
Engineering Proceedings, 2023 Ratio product estimators have been proposed by several authors for the estimation of the population mean and population variance, but very few authors have proposed ratio product estimators for the estimation of the population coefficient of variation ...
Yahaya Zakari +5 more
doaj +1 more source
Making tau amyloid models in vitro: a crucial and underestimated challenge
FEBS Letters, EarlyView.This review highlights the challenges of producing in vitro amyloid assemblies of the tau protein. We review how accurately the existing protocols mimic tau deposits found in the brain of patients affected with tauopathies. We discuss the important properties that should be considered when forming amyloids and the benchmarks that should be used to ...
Julien Broc, Clara Piersson, Yann Fichou
wiley +1 more source
Estimation of Output Channel Noise for Continuous Variable Quantum Key Distribution
, 2015 Estimation of channel parameters is important for extending the range and increasing the key rate of continuous variable quantum key distribution protocols. We propose a new estimator for the channel noise parameter based on the method of moments.
Assad, Syed M. +2 more
core +1 more source