Results 131 to 140 of about 9,935,843 (342)

Facets of uncertainty: epistemic uncertainty, non-stationarity, likelihood, hypothesis testing, and communication [PDF]

, 2015
Keith Beven
openalex   +1 more source

Trends in International Prices [PDF]

We exploit the panel dimension of a price levels dataset for more than one hundred product items across 140 cities in 90 countries for the period from 1990 to 2009 in order to improve our understanding of international price dispersion and the evolution ...
Marios Zachariadis, Philippe Andrade
core  

Analysing the Drivers of Cropland Footprint in Leading Agricultural Nations: Evidence From MMQR Approach

Geological Journal, EarlyView.
ABSTRACT Climate change represents the biggest current challenge for us and for future generations. Its impact on agriculture is undeniable, considering the food security goal. Thus, the cropland footprint has been distinguished as a comprehensive index for assessing the impact of environmental changes in agricultural areas determined by the increased ...
Ibrahim Cutcu, Magdalena Radulescu
wiley   +1 more source

Bayesian Reliability Analysis of Non-Stationarity in Multi-agent Systems [PDF]

Journal of Electrical and Electronics Engineering, 2013
The Bayesian methods provide information about the meaningful parameters in a statistical analysis obtained by combining the prior and sampling distributions to form the posterior distribution of theparameters.
TONT Gabriela, SECARA Oana Maria, TONT Dan George   +2 more
doaj  

Transient Non-Stationarity and Generalisation in Deep Reinforcement Learning

, 2020
Algorithmics
Igl, M, Farquhar, G, Luketina, J, Boehmer, W, Whiteson, S   +4 more
openaire   +4 more sources

Using Deep Learning Conditional Value‐at‐Risk Based Utility Function in Cryptocurrency Portfolio Optimisation

International Journal of Finance &Economics, EarlyView.
ABSTRACT One of the critical risks associated with cryptocurrency assets is the so‐called downside risk, or tail risk. Conditional Value‐at‐Risk (CVaR) is a measure of tail risks that is not normally considered in the construction of a cryptocurrency portfolio.
Xinran Huang, Linzhi Tan, Haozhe Su, Jeremy Eng‐Tuck Cheah   +3 more
wiley   +1 more source

Stationarity Assumptions in Streamflow Sensitivity to Precipitation May Bias Future Projections

Earth's Future
Streamflow elasticity to precipitation is a metric which is used to estimate how responsive rivers are to changes in precipitation. It is commonly used to anticipate future impacts of climate change on streamflow and is assumed to be constant in time ...
Bailey J. Anderson, Louise J. Slater, Jessica Rapson, Manuela I. Brunner, Simon J. Dadson, Jiabo Yin, Marcus Buechel   +6 more
doaj   +1 more source

Detection of trends for extreme events of precipitation in the Metropolitan Region of Belo Horizonte through statistical methods

Revista Brasileira de Recursos Hídricos, 2018
Extreme weather events have emerged as one of the main manifestations of climate change, being that the mitigation of the elapsed impacts demand studies of the magnitude and frequency of their occurrence. This study aims to identify the trends of extreme
Aline de Araújo Nunes, Eber José de Andrade Pinto, Márcio Benedito Baptista   +2 more
doaj   +1 more source

Review: Incorporating Non-Stationarity from Climate Change into Rainfall Frequency and Intensity-Duration-Frequency (IDF) Curves

Journal of Hydrology, 2022
Katherine E. Schlef, K. Kunkel, C. Brown, Y. Demissie, D. Lettenmaier, A. Wagner, M. Wigmosta, T. Karl, D. Easterling, Kimberly J. Wang, B. François, E. Yan   +11 more
semanticscholar   +1 more source

Risk Aversion and Economic Policy Uncertainty Impacts on Investor Attention: Evidence From International Stock Markets Indices

International Journal of Finance &Economics, EarlyView.
ABSTRACT This paper examines the relationship between economic policy uncertainty, risk aversion, and investors' attention for 15 equity indices across Asia, Europe, and North America. Our empirical results indicate that both risk aversion and economic uncertainty significantly increase the Google Search Volume across all equity indices.
Stephanos Papadamou, Athanasios P. Fassas, Nikoletta Poutachidou   +2 more
wiley   +1 more source