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A Comparison of Efficiency of Life Insurance Companies in Mainland China and Taiwan Using Bootstrapped Truncated Regression Approach

open access: yesCogent Economics & Finance, 2022
For strategic and competitive insights, this study measures and benchmarks the comparative operating efficiencies of insurance companies in Taiwan and mainland China.
Hwai-Shuh Shieh   +3 more
doaj   +1 more source

Uncertainty of the Electricity Emission Factor Incorporating the Uncertainty of the Fuel Emission Factors

open access: yesEnergies, 2021
Greenhouse gas (GHG) emission from electricity generation has been recognized as one of the most significant contributors to global warming. The GHG emission factor of electricity (hereafter, electricity emission factor) can be expressed as a function of
Kun Mo LEE, Min Hyeok LEE
doaj   +1 more source

Flutter Derivatives Identification and Uncertainty Quantification for Bridge Decks Based on the Artificial Bee Colony Algorithm and Bootstrap Technique

open access: yesApplied Sciences, 2021
This paper presents a novel parameter identification and uncertainty quantification method for flutter derivatives estimation of bridge decks. The proposed approach is based on free-decay vibration records of a sectional model in wind tunnel tests, which
Zhouquan Feng, Yang Lin
doaj   +1 more source

New metrics for multiple testing with correlated outcomes

open access: yesFrontiers in Applied Mathematics and Statistics, 2023
When investigators test multiple outcomes or fit different model specifications to the same dataset, as in multiverse analyses, the resulting test statistics may be correlated.
Maya B. Mathur, Tyler J. VanderWeele
doaj   +1 more source

Bootstrap Tests for the Location Parameter under the Skew-Normal Population with Unknown Scale Parameter and Skewness Parameter

open access: yesMathematics, 2022
In this paper, the inference on location parameter for the skew-normal population is considered when the scale parameter and skewness parameter are unknown.
Rendao Ye   +4 more
doaj   +1 more source

Resampling under Complex Sampling Designs: Roots, Development and the Way Forward

open access: yesStats, 2022
In the present paper, resampling for finite populations under an iid sampling design is reviewed. Our attention is mainly focused on pseudo-population-based resampling due to its properties.
Pier Luigi Conti, Fulvia Mecatti
doaj   +1 more source

Bootstrap tests: how many bootstraps? [PDF]

open access: yesEconometric Reviews, 2000
In practice, bootstrap tests must use a finite number of bootstrap samples. This means that the outcome of the test will depend on the sequence of random numbers used to generate the bootstrap samples, and it necessarily results in some loss of power.
Russell Davidson, James G. MacKinnon
openaire   +3 more sources

Temporal Variation of b Value with Statistical Test in Wenchuan Area, China Prior to the 2008 Wenchuan Earthquake

open access: yesEntropy, 2022
The Gutenberg–Richter b value describes the ratio between large and small events. A number of studies have suggested that the b value decreases before large earthquakes. In this study, we investigate the temporal variation of the b value of an area along
Weiyun Xie   +3 more
doaj   +1 more source

Bartlett and Bartlett-type corrections in heteroscedastic symmetric nonlinear regression models [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2022
This paper provides general expressions for Bartlett and Bartlett-type correction factors for the likelihood ratio and gradient statistics to test the dispersion parameter vector in heteroscedastic symmetric nonlinear models.
MARIANA C. ARAÚJO   +2 more
doaj   +1 more source

Molecular timetrees using relaxed clocks and uncertain phylogenies

open access: yesFrontiers in Bioinformatics, 2023
A common practice in molecular systematics is to infer phylogeny and then scale it to time by using a relaxed clock method and calibrations. This sequential analysis practice ignores the effect of phylogenetic uncertainty on divergence time estimates and
Jose Barba-Montoya   +5 more
doaj   +1 more source

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