Results 11 to 20 of about 1,729,239 (286)

Heavy-tailed distributions : data, diagnostics, and new developments [PDF]

open access: yes, 2011
This monograph is written for the numerate nonspecialist, and hopes to serve three purposes. First it gathers mathematical material from diverse but related fields of order statistics, records, extreme value theory, majorization, regular variation and ...
Nieboer, Daan, Cooke, Roger M
core   +4 more sources

QML Estimation of GARCH(1,1) Process [PDF]

open access: yesMaǧallaẗ Al-Buḥūṯ Al-Mālīyyaẗ wa Al-Tiğāriyyaẗ, 2017
In financial time series, the conventional fitting procedure (QMLE) suffers from the outlier problem. Estimation of the parameters in GARCH model, can be adversely affected by a single outlier.simulation studies will not only demonstrate the robustness ...
Mona Samy Elkhouly
doaj   +1 more source

Feller-Pareto and Related Distributions: Numerical Implementation and Actuarial Applications

open access: yesJournal of Statistical Software, 2022
Actuaries model insurance claim amounts using heavy tailed probability distributions. They routinely need to evaluate quantities related to these distributions such as quantiles in the far right tail, moments or limited moments.
Christophe Dutang   +2 more
doaj   +1 more source

The Exponential T-X Family of Distributions: Properties and an Application to Insurance Data

open access: yesJournal of Mathematics, 2021
Heavy-tailed distributions play a prominent role in actuarial and financial sciences. In this paper, we introduce a family of distributions that we refer to as exponential T-X (ETX) family.
Zubair Ahmad   +4 more
doaj   +1 more source

Estimation of heavy tails in optical non-linear processes

open access: yesNew Journal of Physics, 2021
In optical non-linear processes, rogue waves can be observed, which can be mathematically described by heavy-tailed distributions. These distributions are special since the probability of registering extremely high intensities is significantly higher ...
Éva Rácz   +2 more
doaj   +1 more source

Estimation for a non-stationary semi-strong GARCH(1,1) model with heavy-tailed errors [PDF]

open access: yes, 2010
This paper studies the estimation of a semi-strong GARCH(1,1) model when it does not have a stationary solution, where semi-strong means that we do not require the errors to be independent over time.
Linton, O., Wang, H., Pan, J.
core   +4 more sources

Particle filtering with alpha-stable distributions [PDF]

open access: yes, 2005
In this paper we introduce a novel sequential Monte Carlo technique, which is based on the family of symmetric alpha- stable (SAS) distributions.
Canagarajah, N.   +4 more
core   +5 more sources

On Learning Mixtures of Heavy-Tailed Distributions [PDF]

open access: yes46th Annual IEEE Symposium on Foundations of Computer Science (FOCS'05), 2005
We consider the problem of learning mixtures of arbitrary symmetric distributions. We formulate sufficient separation conditions and present a learning algorithm with provable guarantees for mixtures of distributions that satisfy these separation conditions. Our bounds are independent of the variances of the distributions; to the best of our knowledge,
Anirban Dasgupta 0001   +3 more
openaire   +2 more sources

Understanding the structure of cognitive noise.

open access: yesPLoS Computational Biology, 2022
Human cognition is fundamentally noisy. While routinely regarded as a nuisance in experimental investigation, the few studies investigating properties of cognitive noise have found surprising structure.
Jian-Qiao Zhu   +3 more
doaj   +1 more source

Fitting Heavy Tailed Distributions: The poweRlaw Package

open access: yesJournal of Statistical Software, 2015
Over the last few years, the power law distribution has been used as the data generating mechanism in many disparate fields. However, at times the techniques used to fit the power law distribution have been inappropriate.
Colin S. Gillespie
doaj   +1 more source

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