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Total Positivity: Tests and Parametrizations [PDF]

open access: yesThe Mathematical Intelligencer, 2000
An introduction to total positivity (TP), with the emphasis on efficient TP criteria and parametrizations of TP matrices. Intended for general mathematical audience.
Fomin, Sergey, Zelevinsky, Andrei
openaire   +2 more sources

Central limit theorem: the cornerstone of modern statistics [PDF]

open access: yesKorean Journal of Anesthesiology, 2017
According to the central limit theorem, the means of a random sample of size, n, from a population with mean, µ, and variance, σ2, distribute normally with mean, µ, and variance, σ2n.
Sang Gyu Kwak, Jong Hae Kim
doaj   +1 more source

Parametric test for non-normally distributed continuous data: For and against

open access: yesElectronic Physician, 2019
Choosing between parametric and non-parametric statistical tests for analysis of non-normally distributed continuous data is a long-standing controversy.
Umesh Wadgave, Mahesh Ravindra Khairnar
doaj   +1 more source

Possibilities of Practical Use of Historical Distributions of Ash, Sulfur and Mercury Contents in Commercial Steam Coal of the USCB

open access: yesEntropy, 2021
In the process of extracting hard coal, extensive databases are created on its quality parameters. A statistical assessment was made of the ash, sulfur, and mercury content of commercial coals produced in the Upper Silesian Coal Basin (USCB).
Ireneusz Pyka   +2 more
doaj   +1 more source

A comparative study of several bootstrap-based tests for the volatility in continuous-time diffusion models [PDF]

open access: yes, 2020
This article develops three bootstrap-based tests for a parametric form of volatil- ity function in continuous-time diffusion models. The three tests are the generalized likelihood ratio test by Fan et al.
Liping, Zhang, Tianshun, Yan
core   +1 more source

Normality assessment, few paradigms and use cases

open access: yesRomanian Journal of Laboratory Medicine, 2022
Background: The importance of applying the normality tests is underlined by the way of continuing the statistical protocol for numerical data within inferential statistics, respectively by the parametric or non-parametric tests that we will apply further
Avram Călin, Mărușteri Marius
doaj   +1 more source

Cluster permutation analysis for EEG series based on non-parametric Wilcoxon–Mann–Whitney statistical tests

open access: yesSoftwareX, 2022
Cluster-based permutation tests are widely used in neuroscience studies for the analysis of high-dimensional electroencephalography (EEG) and event-related potential (ERP) data as it may address the multiple comparison problem without reducing the ...
Diego Candia-Rivera, Gaetano Valenza
doaj   +1 more source

Experimental Testing and Process Parametrization [PDF]

open access: yes, 2020
In this chapter, a characterization to the resulting FDM-printed parts and hybrid manufactured, essentially in terms of mechanical properties, is exposed and discussed. Once evaluated the polymeric thermal and/or mechanical response of the neat filaments, we were able to move forward with the mechanical characterization of the different printed parts ...
Rodrigues, Daniela Sofia Sousa   +7 more
openaire   +2 more sources

Deciphering the dilemma of parametric and nonparametric tests

open access: yesJournal of the Practice of Cardiovascular Sciences, 2016
The potential source of complexity while analyzing the data is to choose on whether the data collected could be analyzed properly by the application of parametric tests or nonparametric tests.
Rakesh Kumar Rana   +2 more
doaj   +1 more source

Tests of parametric models for convection

open access: yesEPJ Web of Conferences, 2015
In this study, we compare the effect of a modified convection parametrization in solar models on oscillation frequencies with different empirical correction schemes.
Bazot M., Monteiro M. J. P. F. G.
doaj   +1 more source

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