Results 31 to 40 of about 8,105,492 (290)

Analysis of trends of hydrologic and climatic variables

open access: yesSoil and Water Research, 2019
Assessing trends of hydrologic variables related to both hydrologic processes facilitates accurate water resources forecasting, especially in arid and semiarid regions with high evaporation and low rainfall volume.
Elham Forootan
doaj   +1 more source

Statistical analysis of medical time series

open access: yesJournal of V. N. Karazin Kharkiv National University: Series Medicine, 2020
Statistical analysis of data sets is a necessary component of any medical research. Modern methods of mathematical statistics and statistical application suites provide extensive capabilities for analysis of random values.
Alexander Martynenko   +3 more
doaj   +1 more source

Nonparametric Analysis of Profit Maximization Behavior of the Iranian Banks [PDF]

open access: yesپژوهشهای اقتصادی, 2012
The weak axiom of profit maximization (WAPM) is used to analyze the optimization behavior of 18 Iranian banks within 10 years (2000-2009). In general the banks in the Iranian economy can be divided into 2 groups, state and privately owned banks ...
Mohammadali Dehghan Dehnavi   +3 more
doaj  

Methods for nonparametric statistics in scientific research. Overview. Part 2

open access: yesТеория и практика переработки мяса, 2022
The use of nonparametric methods in scientific research provides a number of advantages. The most important of these advantages are versatility and a wide range of such methods.
M. A. Nikitina, I. M. Chernukha
doaj   +1 more source

Comparative Analysis of Land and Air Temperature in Romania since A.D. 1961

open access: yesLand
Daily time series with continuous records of mean air and soil temperature from 127 meteorological stations—fairly distributed over the country—were used to compute monthly temperature trends, as well as changes in the timing of the first and the last ...
Ancuta Manea   +3 more
doaj   +1 more source

Informatics Solutions Used in Statistical Analysis of The Employees’ Fluctuations [PDF]

open access: yesInformatică economică, 2006
The problems concerning the labor resources are actual guidelines in scientific research field and in practical applicability; this domain has major implications on every economical-social structure.
Vergil VOINEAGU   +4 more
doaj  

Methods for nonparametric statistics in scientific research. Overview. Part 1.

open access: yesТеория и практика переработки мяса, 2021
Daily, researcher faces the need to compare two or more observation groups obtained under different conditions in order to confirm or argue against a scientific hypothesis.
M. A. Nikitina, I. M. Chernukna
doaj   +1 more source

“Optimum” Nonparametric Tests [PDF]

open access: yes, 1951
The problem of “optimum” tests has two aspects: (1) the choice of a definition of “optimum,” and (2) the mathematical problem of constructing the test. The second problem may be difficult, but at least it is definite once an “optimum” test has been defined. But the definition itself involves a considerable amount of arbitrariness.
openaire   +2 more sources

A nonparametric copula based test for conditional independence with applications to granger causality [PDF]

open access: yes, 2009
This paper proposes a new nonparametric test for conditional independence, which is based on the comparison of Bernstein copula densities using the Hellinger distance.
Taamouti, Abderrahim   +2 more
core   +1 more source

Optimal designs for testing the functional form of a regression via nonparametric estimation techniques [PDF]

open access: yes, 2000
For the problem of checking linearity in a heteroscedastic nonparametric regression model under a fixed design assumption we study maximin designs which maximize the minimum power of a nonparametric test over a broad class of alternatives from the ...
Stefanie Biedermann   +3 more
core   +1 more source

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