Results 41 to 50 of about 23,449,692 (250)

Bridging the Loneliness Gap: Depression, Connectivity, and Isolation in Pediatric Oncology Patients and Their Peers

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Loneliness is associated with adverse physical and mental health outcomes and remains understudied in children and adolescents undergoing cancer therapy. Pediatric oncology patients may be at increased risk due to medical isolation and disruption of social networks.
Charlotte N. Stahlfeld, Scott H. Maurer, Michelle D. Watkinson, John Nury, Elise Barberis, Molly C. Mack   +5 more
wiley   +1 more source

Analysis of the Single Index Model Optimal Portfolio Using the Sharpe and Treynor Measurement Index Related to Covid-19

JTAM (Jurnal Teori dan Aplikasi Matematika)
The optimum portfolio is the preferred choice among investors for determining the most favorable combination of projected return and risk. This study seeks to ascertain the ideal portfolio performance of companies in the IDX30 index on the Indonesia ...
Yumna Hanum Salsabila, Evy Sulistianingsih, Naomi Nessyana Debataraja, Shantika Martha   +3 more
doaj   +1 more source

Risk Costs and the Choice of Market Return Index

Journal of Agricultural and Resource Economics, 1992
Six measures of returns are used to estimate the most "appropriate" market index for southeast Kansas farms. Results suggest that localized indices are more appropriate than state indices for use as the market index.
Koffi N. Amegbeto, Allen M. Featherstone
doaj   +1 more source

Early Body Mass Index z‐Score Change and Resolution of Severe Malnutrition in Children With Sickle Cell Anemia in a Low‐Income Setting: A Prospective Single‐Arm Extension Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Children with sickle cell anemia (SCA) in low‐income settings are at risk of severe malnutrition, but optimal nutritional management has not been established. We evaluated an intensified ready‐to‐use therapeutic food (RUTF) regimen in children with persistent severe malnutrition after initial treatment and assessed whether early ...
Safiya Gambo, Shehu Umar Abdullahi, Hassan Adam Murtala, Halima Kabir, Khadija A. Shamsu, Sari A. Acra, Virginia A. Stallings, Mark Rodeghier, Michael R. DeBaun, Lauren J. Klein   +9 more
wiley   +1 more source

An Optimal Stock Market Portfolio Proportion Model Using Genetic Algorithm

IJCCS (Indonesian Journal of Computing and Cybernetics Systems), 2018
To reduce the amount of loss due to investment risk, an investor or stockbroker usually forms an optimal stock portfolio. This technique is done to get the maximum return of investment on shares to be purchased.
Wahyono Wahyono, Chasandra Puspitasari, Muhammad Dzulfikar Fauzi, Kasliono Kasliono, Wahyu Sri Mulyani, Laksono Kurnianggoro   +5 more
doaj   +1 more source

Air Quality Index Prediction in Six Major Chinese Urban Agglomerations: A Comparative Study of Single Machine Learning Model, Ensemble Model, and Hybrid Model

Atmosphere, 2023
Air pollution is a hotspot of wide concern in Chinese cities. With the worsening of air pollution, urban agglomerations face an increasingly complex environment for air quality monitoring, hindering sustainable and high-quality development in China. More
Binzhe Zhang, Min Duan, Yufan Sun, Yatong Lyu, Yali Hou, Tao Tan   +5 more
doaj   +1 more source

Comparative Drug Response Profiling in Neuroblastoma Cell Lines and Patient‐Derived Tumor Organoids

Pediatric Blood &Cancer, EarlyView.
ABSTRACT High‐risk neuroblastoma remains a leading cause of pediatric cancer mortality, and improved preclinical models are needed to guide therapeutic developments. We screened seven high‐risk neuroblastoma cell lines and three patient‐derived tumor organoids with 528 compounds alongside bone marrow controls, and compared them with external datasets ...
Krzysztof Wierbiłowicz, Se Whee Sammy Park, Aironas Los, Ernest Liu, Nona Struyf, Tom Erkers, Sören Lehmann, Jan J. Molenaar, Jakob Stenman, Olli Kallioniemi, Päivi Östling, Brinton Seashore‐Ludlow, Kasper Karlsson   +12 more
wiley   +1 more source

Estimation of a functional single index model

, 2011
Single index models have been mostly studied as an alternative dimension reduction technique for nonparametric regression with multivariate covariates.
Vieu, Philippe, Ferraty, Frederic, Park, Juhyun   +2 more
core   +5 more sources

Optimal Portfolio Analysis Using the Markowitz Model and Single Index Model on Jakarta Islamic Index (JII) Stocks: Historical Data 2022–2025

Indonesian Interdisciplinary Journal of Sharia Economics
This study analyzes and compares the construction of optimal Islamic stock portfolios using the Markowitz Model and the Single Index Model for stocks listed in the Jakarta Islamic Index (JII).
Cahaya Ningsih, Pipit Yunianingsih
doaj   +1 more source

Block Empirical Likelihood for Longitudinal Single-Index Varying-Coefficient Model

Journal of Applied Mathematics, 2013
In this paper, we consider a single-index varying-coefficient model with application to longitudinal data. In order to accommodate the within-group correlation, we apply the block empirical likelihood procedure to longitudinal single-index varying ...
Yunquan Song, Ling Jian, Lu Lin
doaj   +1 more source