Results 21 to 30 of about 667,568 (265)

Dynamic modelling of extreme daily precipitation in Germany from 1951 to 2020

open access: yesMeteorologische Zeitschrift, 2022
It is important to analyse long-term changes in heavy precipitation but current risk management requires more dynamic and reliable forecasting of changes in the right tail of precipitation distributions in shorter periods of time.
Joanna Czarnowska, Bogdan Bochenek
doaj   +1 more source

Firm-Level Social Returns to Education [PDF]

open access: yesSSRN Electronic Journal, 2004
Do workers benefit from the education of their co-workers? This question is examined first by introducing a model of on-the-job schooling, which argues that educated workers may transfer part of their general skills to uneducated workers and that this spillover is affected by the degrees of non-excludability, irreversibility and generality of those ...
Pedro S. Martins, Jim Y. Jin
openaire   +4 more sources

Technical note: Tail behaviour of the statistical distribution of extreme storm surges [PDF]

open access: yesOcean Science, 2022
The tail behaviour of the statistical distribution of extreme storm surges is conveniently described by a return level plot, consisting of water level (y axis) against average recurrence interval on a logarithmic scale (x axis).
T. Howard
doaj   +1 more source

Perspectives on returning individual and aggregate genomic research results to study participants and communities in Kenya: a qualitative study

open access: yesBMC Medical Ethics, 2022
Background A fundamental ethical challenge in conducting genomics research is the question of what and how individual level genetic findings and aggregate genomic results should be conveyed to research participants and communities.
Isaac Kisiangani   +6 more
doaj   +1 more source

Clustering mutual funds by return and risk levels [PDF]

open access: yes, 2010
Mutual funds classifications, often made by rating agencies, are very common and sometimes criticised. In this work, a three-step statistical procedure for mutual funds classification is proposed. In the first step fund time series are characterised in terms of returns.
F. LISI, OTRANTO, Edoardo
openaire   +5 more sources

On the Asymptotic Normality of the Method of Moments Estimators for the Birnbaum–Saunders Distribution with a New Parametrization

open access: yesMathematics
This study investigates the asymptotic properties of method-of-moments estimators for the Birnbaum–Saunders distribution under a newly proposed parametrization.
Piyapatr Busababodhin   +3 more
doaj   +1 more source

Peacebuilding at the local level: Refugee return to Prijedor [PDF]

open access: yesInternational Peacekeeping, 2005
During the 1992–95 war, Prijedor was synonymous with mass killing, ethnic cleansing and detention camps. A decade after the end of the war, international agencies consider this town to be an example of successful foreign intervention. Thousands of Muslim displaced persons (DPs) returned to their pre-war homes, mosques have been rebuilt, and hard-line ...
openaire   +6 more sources

The Asymptotic Decision Scenarios of an Emerging Stock Exchange Market: Extreme Value Theory and Artificial Neural Network

open access: yesRisks, 2018
In recent times, investing in volatile security increases the risk of losses and reduces gains. Many traders who depend on these risks indulge in multiple volatility procedures to inform their trading strategies.
Abdul-Aziz Ibn Musah   +3 more
doaj   +1 more source

Rates and Determinants of Returning to Australian Rules Football in Male Nonprofessional Athletes After Anterior Cruciate Ligament Reconstruction

open access: yesOrthopaedic Journal of Sports Medicine, 2022
Background: Return to sport is a goal for most patients who undergo anterior cruciate ligament (ACL) reconstruction. However, at a nonelite level, there are limited sport-specific data regarding rates or factors associated with return to play.
Kate E. Webster PhD   +2 more
doaj   +1 more source

Estimation of return levels with long return periods for extreme sea levels in a time-varying framework [PDF]

open access: yesEnvironment Systems and Decisions
AbstractAt nuclear power plants, risk analysis concerning environmental extremes is crucial. Based on historical data, estimation of return levels is usually performed. For long return periods, a problem is that the related uncertainties of the return levels often get large. Moreover, models need to take into account possible effects of climate change.
openaire   +1 more source

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