Results 81 to 90 of about 36,820 (296)

Variance and Covariance Analysis with an application to financial data

, 2012
This Bachelor Thesis is dedicated to analysis variance and co- variance with and application to financial data. The aim of this thesis is to inform about multidimensional ANOVA and to show its connection with one- dimensional ANOVA, which is a part of ...
Hájková, Anna
core  

Does Ongoing Task Load Influence Prospective Remembering in Autism Spectrum Disorders?

Autism Research, EarlyView.
ABSTRACT Prospective memory (PM) refers to the cognitive ability to remember to carry out intended actions in the future. The present study investigated PM performance in autistic and non‐autistic adults as well as the impact of the cognitive load of the ongoing task on PM performance.
Daniela Nürnberg, Mareike Altgassen
wiley   +1 more source

Multipower Variation and Stochastic Volatility [PDF]

In this brief note we review some of our recent results on the use of high frequency financial data to estimate objects like integrated variance in stochastic volatility models.
Neil Shephard, Ole Barndorff-Nielsen
core  

Brain Health Deviation Index: A Comprehensive Brain Health Assessment Biomarker for Predicting Cognitive Decline and Polyvascular Stenosis

Brain Health, EarlyView.
ABSTRACT Assessing and quantifying brain health remains a pressing challenge, despite its importance for overall well‐being. Traditional methods that focus on isolated brain measures often fail to capture the multifaceted nature of brain health and may miss early signs of dysfunction.
Ziyang Liu, Shaodong Ding, Hao Liu, Jing Jing, Jian Cheng, Huaguang Zheng, Jiyang Jiang, Wei Wen, Zhe Zhang, Wanlin Zhu, Shiping Li, Yuesong Pan, Xueli Cai, Yijun Zhou, Chang Liu, Xia Meng, Yilong Wang, Hao Li, Yong Jiang, Haijun Niu, Nicole Kochan, Henry Brodaty, Tiemin Wei, Yubo Fan, Zixiao Li, Perminder S. Sachdev, Tao Liu, Yongjun Wang   +27 more
wiley   +1 more source

Multivariate Realised Kernels: Consistent Positive Semi-Definite Estimators of the Covariation of Equity Prices with Noise and Non-Synchronous Trading [PDF]

We propose a multivariate realised kernel to estimate the ex-post covariation of log-prices. We show this new consistent estimator is guaranteed to be positive semi-definite and is robust to measurement noise of certain types and can also handle non ...
Neil Shephard, Ole E. Barndorff-Nielsen, Asger Lunde, Peter Reinhard Hansen   +3 more
core  

The Role of Institutional Pressures in Technology Adoption for Low‐Carbon Manufacturing

Business Strategy and the Environment, EarlyView.
ABSTRACT Existing research highlights that the adoption of low‐carbon technologies in manufacturing operations is shaped by the external environment. However, limited understanding exists regarding how technology‐related uncertainty interacts with institutional pressures to influence firms' adoption strategies.
Diellza Salihu, Mika Immonen, Aleksi Harju   +2 more
wiley   +1 more source

Geometric Morphometric Analysis of Adult and Juvenile Turtle Shells: Directional Asymmetry and Fluctuating Asymmetry

Diversity
Bilateral symmetry is quite common in animals, but in some cases, asymmetry can be altered by hereditary or developmental processes. Symmetry may be preserved, or asymmetry may increase as the developmental stages progress.
Ece Oktay, İlayda Boz Doğan, S. Duro, G. Pazvant, Funda Yiğit, T. Szara   +5 more
semanticscholar   +1 more source

Analysis covariance

, 2019
U ovom završnom radu predstavljena je analiza kovarijance (ANCOVA) koja je zapravo specijalan slučaj statističkog modeliranja unutar općeg linearnog modela kojeg obilježava postojanje jedne ili više zavisnih varijabli i jedne ili više nezavisnih ...
Lukač, Mislav
core  

Measuring Consumer Aversion Toward AI in Marketing Communication and Assessing Its Relationship to Brand Perceptions and Purchase Intention

Journal of Consumer Behaviour, EarlyView.
ABSTRACT Some consumers exhibit aversion toward artificial intelligence (AI), particularly when it is embedded in persuasive marketing communication (MarCom). Here, we developed and validated a measure of consumer aversion to AI in MarCom and examined its downstream consequences for brand perceptions and purchase intention.
Louvins Pierre, Viviana Carolina Zambrano Rodriguez, Jiayi (Joy) Wang   +2 more
wiley   +1 more source

Carotid intima-medial thickness in patients with severe hypertriglyceridemia

Atherosclerosis Plus
Background and aims: Severe hypertriglyceridemia (HTG), defined as plasma triglyceride (TG) concentration > 10 mmol/L, is relatively uncommon, and its implications for atherosclerotic cardiovascular disease (ASCVD) risk remain somewhat unclear.
Maud Ahmad, Brooke A. Kennedy, Surim Son, Adam D. McIntyre, Julieta Lazarte, Jian Wang, Robert A. Hegele   +6 more
doaj   +1 more source