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   Articles with "index models" as a keyword



High-dimensional single-index models with censored responses.

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recommendations! Published in 2020 at "Statistics in medicine"

DOI: 10.1002/sim.8571

Abstract: In this article, we study the estimation of high-dimensional single index models when the response variable is censored. We hybrid the estimation methods for high-dimensional single-index models (but without censorship) and univariate nonparametric models with… read more here.

Keywords: high dimensional; index; censored responses; single index ... See more keywords

Accuracy of topographic index models at identifying ephemeral gully trajectories on agricultural fields

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recommendations! Published in 2018 at "Geomorphology"

DOI: 10.1016/j.geomorph.2018.01.026

Abstract: Abstract Topographic index (TI) models have been widely used to predict trajectories and initiation points of ephemeral gullies (EGs) in agricultural landscapes. Prediction of EGs strongly relies on the selected value of critical TI threshold,… read more here.

Keywords: index; critical threshold; topographic index; index models ... See more keywords
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The Impact of International Pricing Index Models on Anti-Vascular Endothelial Growth Factor (VEGF) Drug Costs in the United States.

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recommendations! Published in 2021 at "Seminars in ophthalmology"

DOI: 10.1080/08820538.2021.1903514

Abstract: OBJECTIVE To evaluate the impact of three international pricing index models on Medicare Part B spending for intravitreal anti-vascular endothelial growth factor (VEGF) drugs Design: Cost analysis Methods: U.S. and international sales data from the… read more here.

Keywords: international pricing; pricing index; medicare part; pricing ... See more keywords

Constrained groupwise additive index models.

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recommendations! Published in 2022 at "Biostatistics"

DOI: 10.1093/biostatistics/kxac023

Abstract: In environmental epidemiology, there is wide interest in creating and using comprehensive indices that can summarize information from different environmental exposures while retaining strong predictive power on a target health outcome. In this context, the… read more here.

Keywords: index; index models; constrained groupwise; groupwise additive ... See more keywords

Statistical Inference for High-Dimensional Heteroscedastic Partially Single-Index Models

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recommendations! Published in 2025 at "Entropy"

DOI: 10.3390/e27090964

Abstract: In this study, we propose a novel penalized empirical likelihood approach that simultaneously performs parameter estimation and variable selection in heteroscedastic partially linear single-index models with a diverging number of parameters. It is rigorously proved… read more here.

Keywords: high dimensional; heteroscedastic partially; statistical inference; index models ... See more keywords