Results 111 to 120 of about 93,664 (290)
Commodities and Stock Investment
SAGE Open, 2014 This study is a multivariate analysis of commodities and stock investment in a newly established market scenario. Return distribution asymmetry is examined with higher order movements.
Syed Jawad Hussain Shahzad +2 more
doaj +1 more source
Functional Ecology, EarlyView.Read the free Plain Language Summary for this article on the Journal blog. Abstract In the context of anthropogenic eutrophication of the biosphere, understanding the impact of nutrient addition on plant diversity–productivity relationships remains a major challenge.
Dai F. Saito +7 more
wiley +1 more source
Kalman filter for radio source power and direction of arrival estimation
EURASIP Journal on Advances in Signal ProcessingImages are an important source of information for spacecraft navigation. Based on an image and a known attitude, triangulation techniques (intersection or resection) are often used for positioning and navigation.
Cyril Cano +5 more
doaj +1 more source
Measures of Multivariate Skewness and Kurtosis with Principal Components
Japanese journal of applied statistics, 2007 正規性の検定に利用される多変量標本歪度・尖度として,Mardia型とSrivastava型の比較を考察した.古くから良く知られている前者に対し,後者に関してはこれまであまり深く研究されていない.本稿では,非正規性の下での後者の理論的な評価を漸近展開の形で与えた.また,両者の数値的な比較についてシミュレーションを行い検証した.
openaire +2 more sources
Journal of the Royal Anthropological Institute, EarlyView.Our current understanding of the origins of Homo sapiens is limited, in part, by the fragmented fossil record from Late Pleistocene and early Holocene Africa. Here, we re‐examine the Kabua 1 cranium, an enigmatic and little‐studied Kenyan fossil discovered in the 1950s. We compare virtual reconstructions created previously by our team with a wide range
Abel Marinus Bosman +7 more
wiley +1 more source
The importance of considering regimes in long‐term asset allocation to real estate
Real Estate Economics, EarlyView.Abstract We investigate the long‐term, regime‐dependent asset allocation of an investor's wealth in a mixed‐asset portfolio that includes publicly traded real estate. We show that augmenting standard VAR models with Markov‐switching features not only improves predictive power for asset returns but also introduces economically meaningful horizon effects
Massimo Guidolin +2 more
wiley +1 more source
CEM: Coarsened Exact Matching in Stata [PDF]
We introduce a Stata implementation of coarsened exact matching, a new method for improving the estimation of causal effects by reducing imbalance in covariates between treated and control groups.
Gary King +3 more
core
Criminology, EarlyView.Abstract Extensive research has established a link between low self‐control and child victimization. However, the specific neighborhood conditions under which low self‐control most strongly influences victimization have been little examined, and, more importantly, no previous studies have investigated the complex ways in which neighborhood context ...
Myunghee You, Brian J. Stults
wiley +1 more source
Proceedings of the International Conference on Applied Innovations in ITEmpirical data of RFC (response for a class), CBO (coupling between object classes), and WMC (weighted methods per class) software metrics, that can be used for estimation of software quality, deviate from normality.
Sergiy Prykhodko +2 more
doaj +1 more source