Results 31 to 40 of about 88,700 (323)

Analytical Derivation of the Inverse Moments of One-sided Correlated Gram Matrices with Applications [PDF]

open access: yes, 2015
This paper addresses the development of analytical tools for the computation of the moments of random Gram matrices with one side correlation. Such a question is mainly driven by applications in signal processing and wireless communications wherein such ...
Al-Naffouri, Tareq Y   +3 more
core   +2 more sources

Hammerstein system with a stochastic input of arbitrary/unknown autocorrelation: Identification of the dynamic linear subsystem

open access: yesIET Signal Processing, 2021
For a Hammerstein system subject to a stochastic input that is spectrally coloured, this study is first in the open literature (to the present authors' best knowledge) to estimate its linear dynamic subsystem.
Tsair‐Chuan Lin, Kainam Thomas Wong
doaj   +1 more source

An Unbiased Estimator of Gene Diversity with Improved Variance for Samples Containing Related and Inbred Individuals of any Ploidy

open access: yesG3: Genes, Genomes, Genetics, 2017
Gene diversity, or expected heterozygosity (H), is a common statistic for assessing genetic variation within populations. Estimation of this statistic decreases in accuracy and precision when individuals are related or inbred, due to increased dependence
Alexandre M. Harris, Michael DeGiorgio
doaj   +1 more source

On Optimal and Asymptotic Properties of a Fuzzy L2 Estimator

open access: yesMathematics, 2020
A fuzzy least squares estimator in the multiple with fuzzy-input–fuzzy-output linear regression model is considered. The paper provides a formula for the L2 estimator of the fuzzy regression model. This paper proposes several operations for fuzzy numbers
Jin Hee Yoon, Przemyslaw Grzegorzewski
doaj   +1 more source

Optimal designs in regression with correlated errors [PDF]

open access: yes, 2015
This paper discusses the problem of determining optimal designs for regression models, when the observations are dependent and taken on an interval. A complete solution of this challenging optimal design problem is given for a broad class of regression ...
Anatoly Zhigljavsky   +5 more
core   +3 more sources

Prediksi Risiko Sistematik Saham-Saham LQ45 Bursa Efek Indonesia

open access: yesJurnal Ekonomi dan Bisnis, 2016
Beta has been argued, both conceptually as well as empirically. In 1960's, many practitioners used superior advantages in calculation attempted at CAPM theory for investing in asset which has high Beta.
A An Arief Jusuf
doaj   +1 more source

Weighted Moments Estimators of the Parameters for the Extreme Value Distribution Based on the Multiply Type II Censored Sample

open access: yesThe Scientific World Journal, 2013
We propose the weighted moments estimators (WMEs) of the location and scale parameters for the extreme value distribution based on the multiply type II censored sample.
Jong-Wuu Wu   +3 more
doaj   +1 more source

On Generalized Upper(k)Record Values From Weibull Distribution

open access: yesStatistica, 2015
In this paper we study the generalized upper(k)record values arising from Weibull distribution. Expressions for the moments and product moments of those generalized upper(k)record values  are derived.
Jerin Paul, Poruthiyudian Yageen Thomas
doaj   +1 more source

A new approach to optimal designs for correlated observations [PDF]

open access: yes, 2015
This paper presents a new and efficient method for the construction of optimal designs for regression models with dependent error processes. In contrast to most of the work in this field, which starts with a model for a finite number of observations and ...
Dette, Holger   +2 more
core   +2 more sources

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