Results 1 to 10 of about 11,564,095 (404)

Conditional variable importance for random forests

open access: yesBMC Bioinformatics, 2008
Background Random forests are becoming increasingly popular in many scientific fields because they can cope with "small n large p" problems, complex interactions and even highly correlated predictor variables.
Augustin Thomas   +4 more
doaj   +2 more sources

On a Class of Random Variables [PDF]

open access: bronzeProceedings of the American Mathematical Society, 1955
where f(reO) =f(z) is any analytic function regular in a circle of radius R > r about the origin. We can define a particular complex valued random variable Z in the following way: |Z I = r with probability one, and arg Z is uniformly distributed on the interval [-7r, 7]. We shall denote by E the linear operator which "takes the expected value" of Z and
Frank Spitzer
openalex   +3 more sources

Expressing a Random Variable in Terms of Uniform Random Variables [PDF]

open access: bronzeThe Annals of Mathematical Statistics, 1961
This note suggests that expressing a distribution function as a mixture of suitably chosen distribution functions leads to improved methods for generating random variables in a computer. The idea is to choose a distribution function which is close to the original and use it most of the time, applying the correction only infrequently.
George Marsaglia
openalex   +3 more sources

Generalized random variables [PDF]

open access: bronzeTransactions of the American Mathematical Society, 1957
Lester E. Dubins
openalex   +2 more sources

Application of Chebyshev's inequality in the preliminary feasibility study for constructing a solar thermal power plant

open access: yesVojnotehnički Glasnik, 2022
Introduction/purpose: This paper examines some of the applications of Chebyshev’s inequality. Using Chebyshev’s inequality, the analysis of a preliminary feasibility study for constructing a solar thermal power plant in the Banja Luka area has been ...
Milan B. Pupčević, Zoran D. Mitrović
doaj   +1 more source

Research on Damage Mechanism and Performance-Based Design Process of Reinforced Concrete Column Members

open access: yesApplied Sciences, 2023
In order to understand the seismic damage assessment of reinforced concrete column members, the coupling relationship between the capacity degradation and the accumulated hysteretic energy and the displacement history was considered.
Yukui Wang   +3 more
doaj   +1 more source

A Single Valued Neutrosophic Inventory Model with Neutrosophic Random Variable

open access: yesInternational journal of neutrosophic science, 2020
This paper presents the problematic period of neutrosophic inventory in an inaccurate and unsafe mixed environment. The purpose of this paper is to present demand as a neutrosophic random variable.
S. Broumi
semanticscholar   +1 more source

Modeling of random static loads on a structural cover with limited statistical data

open access: yesStructural Mechanics of Engineering Constructions and Buildings, 2020
Relevance. Loads on structures are complex stochastic elements that include several types of uncertainties simultaneously. The article describes a probabilistic approach to the load modeling on structural covers taking into account limited statistical ...
Sergey A. Solovev
doaj   +1 more source

Some estimations on continuous random variables for (k, s) −fractional integral operators

open access: yesMoroccan Journal of Pure and Applied Analysis, 2020
In this work, we establish some new (k, s) −fractional integral inequalities of continuous random variables by using the (k, s) −Riemann-Liouville fractional integral operator.
Houas Mohamed
doaj   +1 more source

Optimization Safety Factors to Study an Ultrasonic Motor [PDF]

open access: yesInternational Journal for Simulation and Multidisciplinary Design Optimization, 2010
In this paper, we present a new method based on Optimal Safety Factors (OSF) in the context of the Reliability-Based Design Optimization (RBDO) analysis of ultrasonic motors with traveling wave taking into account the contact between the different ...
Radi Bouchaib   +3 more
doaj   +1 more source

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