Results 11 to 20 of about 440,858 (262)

Upper-bound estimates for weighted sums satisfying Cramer’s condition

open access: yesLietuvos Matematikos Rinkinys, 2023
Let S = ω1S1 + ω2S2 + ⋯ + ωNSN. Here Sj is the sum of identically distributed random variables and ωj  > 0 denotes weight. We consider the case, when Sj  is the sum of independent random variables satisfying Cramer’s condition.
Vydas Čekanavičius, Aistė Elijio
doaj   +3 more sources

Normal approximation for sum of random number of summands

open access: yesLietuvos Matematikos Rinkinys, 2021
Normal aproximationof sum Zt =ΣNti=1Xi of i.i.d. random variables (r.v.) Xi , i = 1, 2, . . . with mean EXi = μ and variance DXi = σ2 > 0 is analyzed taking into consideration large deviations.
Leonas Saulis, Dovilė Deltuvienė
doaj   +1 more source

Polynomial Representations of High-Dimensional Observations of Random Processes

open access: yesMathematics, 2021
The paper investigates the problem of performing a correlation analysis when the number of observations is large. In such a case, it is often necessary to combine random observations to achieve dimensionality reduction of the problem.
Pavel Loskot
doaj   +1 more source

Nonparametric estimation in random sum models

open access: yesStatistica, 2013
Let X1,X2,…,XN be independent, identically distributed, non-negative, integervalued random variables and let N be a non-negative, integer-valued random variable independent of X1,X2,…,XN .
Hassan S. Bakouch, Thomas A. Severini
doaj   +1 more source

Randomly stopped sums with exponential-type distributions

open access: yesNonlinear Analysis, 2017
Assume that {ξ1, ξ2, …} are independent and possibly nonidentically distributed random variables. Suppose that η is a nonnegative, nondegenerate at zero and integer-valued random variable, which is independent of {ξ1, ξ2, …}.
Svetlana Danilenko   +2 more
doaj   +1 more source

Sum of Fisher-Snedecor F Random Variables and Its Applications

open access: yesIEEE Open Journal of the Communications Society, 2020
The statistical characterization of a sum of random variables (RVs) is useful for investigating the performance of wireless communication systems.
Hongyang Du   +3 more
doaj   +1 more source

Efficient algorithms for calculating the probability distribution of the sum of hypergeometric-distributed random variables

open access: yesMethodsX, 2021
In probability theory and statistics, the probability distribution of the sum of two or more independent and identically distributed (i.i.d.) random variables is the convolution of their individual distributions.
Arne Johannssen   +2 more
doaj   +1 more source

Asymptotics for Weighted Random Sums [PDF]

open access: yesAdvances in Applied Probability, 2012
Let {Xi} be a sequence of independent, identically distributed random variables with an intermediate regularly varying right tail F̄. Let (N, C1, C2,…) be a nonnegative random vector independent of the {Xi} with N∈ℕ∪ {∞}. We study the weighted random sum SN=∑{i=1}NCiXi, and its maximum, MN=sup{1≤kN+1∑i=1kCiXi.
openaire   +4 more sources

Random Gaussian Sums on Trees

open access: yesElectronic Journal of Probability, 2011
Let $T$ be a tree with induced partial order $\preceq$. We investigate centered Gaussian processes $X=(X_t)_{t\in T}$ represented as $$ X_t= (t)\sum_{v \preceq t} (v) _v $$ for given weight functions $ $ and $ $ on $T$ and with $( _v)_{v\in T}$ i.i.d. standard normal.
Lifshits, Mikhail, Linde, Werner
openaire   +4 more sources

Random convolution of O-exponential distributions

open access: yesNonlinear Analysis, 2015
Assume that ξ1, ξ2, ... are independent and identically distributed non-negative random variables having the O-exponential distribution. Suppose that η is a nonnegative non-degenerate at zero integer-valued random variable independent of ξ1, ξ2, ... . In
Svetlana Danilenko, Jonas Šiaulys
doaj   +1 more source

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