Results 31 to 40 of about 529,179 (290)

Approximating the Tail Probability of the t-Distribution: A Bayesian Approach

open access: yesSultan Qaboos University Journal for Science, 2001
A Bayesian technique is used to approximate the tail probability of the t-distribution. A set of upper and lower bounds are obtained for this probability. Based on their simplicity and accuracy, these bounds are very adequate to use.
Mohammad Fraiwan Al-Saleh
doaj   +1 more source

A New Probability Heavy-Tail Model for Stochastic Modeling under Engineering Data

open access: yesJournal of Mathematics, 2022
The main aim of the paper is to propose and study a new heavy-tail model for stochastic modeling under engineering data. After studying and analyzing its mathematical properties, different classical estimation methods such as the ordinary least square ...
M. El-Morshedy   +3 more
doaj   +1 more source

Superintegrability of matrix Student's distribution

open access: yesPhysics Letters B, 2022
For ordinary matrix models, the eigenvalue probability density decays rapidly as one goes to infinity, in other words, has “short tails”. This ensures that all the multiple trace correlators (multipoint moments) are convergent and well-defined.
A. Mironov, A. Morozov, A. Popolitov
doaj   +1 more source

An asymptotically Gaussian bound on the Rademacher tails [PDF]

open access: yes, 2011
An explicit upper bound on the tail probabilities for the normalized Rademacher sums is given. This bound, which is best possible in a certain sense, is asymptotically equivalent to the corresponding tail probability of the standard normal distribution ...
Pinelis, Iosif
core   +2 more sources

Tails of the crossing probability [PDF]

open access: yesPhysical Review E, 2005
The scaling of the tails of the probability of a system to percolate only in the horizontal direction pi(hs) was investigated numerically for the correlated site-bond percolation model (q -state Potts model) for q=1 , 2, 3, 4 (where q is the number of spin states).
openaire   +2 more sources

Trend analysis of dependence between rainfall and storm tides in coastal cities

open access: yesWater Science and Technology, 2023
Compound flooding from rainfall and storm tides is prone to occur in coastal cities. The identification of them is essential for controlling urban flooding. First, the dependence between rainfall and storm tides is quantified by Kendall's τ, Spearman's ρ,
Youming Li   +3 more
doaj   +1 more source

On the lower tail variational problem for random graphs [PDF]

open access: yes, 2015
We study the lower tail large deviation problem for subgraph counts in a random graph. Let $X_H$ denote the number of copies of $H$ in an Erd\H{o}s-R\'enyi random graph $\mathcal{G}(n,p)$.
Zhao, Yufei
core   +1 more source

The Effect of Left Tail Risk on Expected Excess Returns and Its Consequences on the Persistence of Left Tail Returns [PDF]

open access: yesتحقیقات مالی, 2020
Objective: Left-tailed risk illustrates the probability of unfavorable events that could occur in a range wider than three variances of the distribution function.
Mahshid Shahrzadi   +2 more
doaj   +1 more source

Approximating Tail Areas of Probability Distributions

open access: yesThe Annals of Statistics, 1978
A general method for approximating tail areas is developed through an extension of the methodology of Andrews. This extension is applied to both continuous and discrete distributions. Examples of the approximations are given for the standard normal, $t$, and chi-square distributions in the continuous case and for the Poisson and binomial distributions ...
Gross, Alan J., Hosmer, David W.
openaire   +3 more sources

Real- and reciprocal-space attributes of band tail states

open access: yesAIP Advances, 2017
Band tail states are localized electronic states existing near conduction and valence band edges. Band tail states are invariably found to exhibit an exponential distribution defined by a characteristic (Urbach) energy.
John F. Wager
doaj   +1 more source

Home - About - Disclaimer - Privacy