Results 71 to 80 of about 24,905,387 (328)
Portfolio Optimization of Stocks in Different Industries by Single-Index Model and Markowitz Model [PDF]
In the financial sector, portfolio optimization is becoming more and more crucial. This article examines the portfolios of two industries, financial services and technology, in an effort to help prospective investors make decisions about their ...
Chen Mingrui
doaj +1 more source
Global Efforts to Reduce Paediatric Cancer Care Disparities in Radiotherapy: A Decade Change
ABSTRACT Background We present an update on the status, needs and challenges faced by paediatric imaging and radiotherapy (RT) programmes globally after a previous survey conducted by the International Atomic Energy Agency (IAEA) 10 years prior. Methods We developed and distributed a 121‐question survey to radiation oncologists, medical physicists and ...
Raymond B. Mailhot Vega +10 more
wiley +1 more source
Bimonthly magazine discussing topics related to aviation and model airplane engines including collecting, restoring, maintaining, and identifying engines, along with ...
The Model Museum, Daniels, Timothy J.
core +1 more source
ABSTRACT Background Shwachman–Diamond syndrome (SDS) is a rare autosomal recessive ribosomopathy characterized by bone marrow failure and multisystem involvement, with emerging evidence of associated neurocognitive impairment. Methods We conducted a retrospective study of 240 individuals with biallelic Shwachman–Bodian–Diamond syndrome (SBDS) mutations
Jane Koo +11 more
wiley +1 more source
Identifying crop phenology using maize height constructed from multi-sources images
In agriculture, crop height is an important indicator that is commonly applied for monitoring physiological-related traits such as above-ground biomass and grain yields.
Yahui Guo +8 more
doaj +1 more source
ABSTRACT We assessed the effect of iron overload (IO) on mortality and complications following hematopoietic stem cell transplantation (HSCT) in patients with Diamond–Blackfan anemia syndrome (DBAS) in a systematic review of individual participant data and cohort data from observational studies.
Geoffrey Z. L. Kuppens +6 more
wiley +1 more source
Estimation in Single-Index Panel Data Models with Heterogeneous Link Functions [PDF]
In this paper, we study semiparametric estimation for a single-index panel data model where the nonlinear link function varies among the individuals. We propose using the refined minimum average variance estimation method to estimate the parameter in the
Jia Chen, Jiti Gao, Degui Li
core +2 more sources
In this paper, we estimate the mean of the partially linear single-index errors-in-variables model with missing response variables. The linear covariate is measured with additive error, therefore missing is not random.
Xin Qi, ZhuoXi Yu
doaj +1 more source
BS-SIM: An effective variable selection method for high-dimensional single index model
: The single index model is an intuitive extension of the linear regression model. It has become increasingly popular due to its flexibility in modeling. Similar to the linear regression model, the set of predictors for the single index model can contain ...
Longjie Cheng, Peng Zeng, Y. Zhu
semanticscholar +1 more source
ABSTRACT Purpose Next‐generation sequencing (NGS) has emerged as a promising approach to improve diagnostic accuracy, but its feasibility in low‐ and middle‐income countries remains unknown. This study characterized the diagnostic landscape and assessed organizational readiness for NGS implementation at two childhood cancer treatment centers in Accra ...
Melissa Carvalho +6 more
wiley +1 more source

