Results 31 to 40 of about 6,635,423 (316)
Asset and Factor Risk Budgeting: A Balanced Approach [PDF]
Portfolio optimization methods have evolved significantly since Markowitz introduced the mean-variance framework in 1952. While the theoretical appeal of this approach is undeniable, its practical implementation poses important challenges, primarily revolving around the intricate task of estimating expected returns.
arxiv
Comprehensive lifestyle management is a fundamental aspect of diabetes care. Clinical practice guidelines for the nutritional management of diabetes have evolved considerably over the last 25 years shifting from a focus on single nutrients to food- and ...
Jarvis C. Noronha+8 more
doaj +1 more source
Risk factor aggregation and stress testing [PDF]
Stress testing refers to the application of adverse financial or macroeconomic scenarios to a portfolio. For this purpose, financial or macroeconomic risk factors are linked with asset returns, typically via a factor model. We expand the range of risk factors by adapting dimension-reduction techniques from unsupervised learning, namely PCA and ...
arxiv
Shallow groundwater plays a vital role in physiology morphological attributes, water use, and yield production of winter wheat, but little is known of its interaction with nitrogen (N) application.
Yingjun She+9 more
doaj +1 more source
Income and risk coexist, yet investors are often so focused on chasing high returns that they overlook the potential risks that can lead to high losses. Therefore, risk forecasting and risk control is the cornerstone of investment. To address the challenge, we construct a multi-factor risk model on the basis of the classical multi-factor modeling ...
arxiv
The Risks of Machine Learning Systems [PDF]
The speed and scale at which machine learning (ML) systems are deployed are accelerating even as an increasing number of studies highlight their potential for negative impact. There is a clear need for companies and regulators to manage the risk from proposed ML systems before they harm people.
arxiv
Worldwide trends in diabetes since 1980: a pooled analysis of 751 population-based studies with 4·4 million participants [PDF]
Background One of the global targets for non-communicable diseases is to halt, by 2025, the rise in the age-standardised adult prevalence of diabetes at its 2010 levels.
Bentham, J.+15 more
core +1 more source
Rising rural body-mass index is the main driver of the global obesity epidemic in adults [PDF]
Body-mass index (BMI) has increased steadily in most countries in parallel with a rise in the proportion of the population who live in cities(.)(1,2) This has led to a widely reported view that urbanization is one of the most important drivers of the ...
NCD Risk Factor Collaboration (NCD-RisC)
core +1 more source
Background: Diabetes mellitus and hypertension often occur together, amplifying cardiovascular disease (CVD) risk and emphasizing the need for a multitargeted treatment approach.
Elena Jovanovski+10 more
doaj
National trends in total cholesterol obscure heterogeneous changes in HDL and non-HDL cholesterol and total-to-HDL cholesterol ratio: a pooled analysis of 458 population-based studies in Asian and Western countries [PDF]
HDL colesterol; LDL colesterol; Lípids sanguinis; Estudi multinacionalHDL colesterol; LDL colesterol; Lípidos en sangre; Estudio multinacionalHDL colesterol; LDL colesterol; Blood lípids; Multi-country studyBackground: Although high-density lipoprotein ...
NCD Risk Factor Collaboration (NCD-RisC)+1 more
core +4 more sources