نتایج جستجو برای: random survival forest model

تعداد نتایج: 2664866  

Journal: :Circulation. Cardiovascular quality and outcomes 2011
Eiran Z Gorodeski Hemant Ishwaran Udaya B Kogalur Eugene H Blackstone Eileen Hsich Zhu-Ming Zhang Mara Z Vitolins Joann E Manson J David Curb Lisa W Martin Ronald J Prineas Michael S Lauer

BACKGROUND- Simultaneous contribution of hundreds of electrocardiographic (ECG) biomarkers to prediction of long-term mortality in postmenopausal women with clinically normal resting ECGs is unknown. METHODS AND RESULTS- We analyzed ECGs and all-cause mortality in 33 144 women enrolled in the Women's Health Initiative trials who were without baseline cardiovascular disease or cancer and had nor...

ژورنال: کومش 2022

Introduction: Chronic kidney disease (CKD) is one of the most important public health concerns worldwide. The steady increase in the number of people with End-stage renal disease (ESRD) needing a kidney transplant to survive and incur high costs, highlights early diagnosis and treatment of the disease. This study aimed to design a Clinical Decision Support System (CDSS) for diagnosing CKD and p...

2014
Alhamza Munther Shahrul Nizam Naseer Sabri Mohammed Anbar

Network traffic classification continues to be an interesting subject among numerous networking communities. This method introduces multi-beneficial solutions in different avenues, such as network security, network management, anomaly detection, and quality-of-service. In this paper, we propose a supervised machine learning method that efficiently classifies different types of applications usin...

2014
Barbara J. Robson Aurélie Mousquès

We assessed all papers published in two key environmental modelling journals in 2008 to determine the degree to which the citation counts of the papers could be predicted without considering the paper’s quality. We applied both random forests and general additive models to predict citation counts using a range of easily quantified or categorised characteristics of the papers as covariates. The ...

Journal: :Remote Sensing 2017
Ivan Castillo-Riffart Mauricio Galleguillos Javier Lopatin Jorge F. Perez-Quezada

Peatlands are ecosystems of great relevance, because they have an important number of ecological functions that provide many services to mankind. However, studies focusing on plant diversity, addressed from the remote sensing perspective, are still scarce in these environments. In the present study, predictions of vascular plant richness and diversity were performed in three anthropogenic peatl...

Journal: :Remote Sensing 2018
Stéphane Saux Picart Pierre Tandeo Emmanuelle Autret Blandine Gausset

Machine learning techniques are attractive tools to establish statistical models with a high degree of non linearity. They require a large amount of data to be trained and are therefore particularly suited to analysing remote sensing data. This work is an attempt at using advanced statistical methods of machine learning to predict the bias between Sea Surface Temperature (SST) derived from infr...

Journal: :Ecological applications : a publication of the Ecological Society of America 2011
Elizabeth B Harper John C Stella Alexander K Fremier

Mechanism-based ecological models are a valuable tool for understanding the drivers of complex ecological systems and for making informed resource-management decisions. However, inaccurate conclusions can be drawn from models with a large degree of uncertainty around multiple parameter estimates if uncertainty is ignored. This is especially true in nonlinear systems with multiple interacting va...

Journal: :Remote Sensing 2016
Xiaoyi Wang Huabing Huang Peng Gong Gregory S. Biging Qinchuan Xin Yanlei Chen Jun Yang Caixia Liu

Continuous monitoring of forest cover condition is key to understanding the carbon dynamics of forest ecosystems. This paper addresses how to integrate single-year airborne LiDAR and time-series Landsat imagery to derive forest cover change information. LiDAR data were used to extract forest cover at the sub-pixel level of Landsat for a single year, and the Landtrendr algorithm was applied to L...

Journal: :CoRR 2013
Satyajit Thakor Terence Chan Alex J. Grant

Characterizing the capacity region for a network can be extremely difficult. Even with independent sources, determining the capacity region can be as hard as the open problem of characterizing all information inequalities. The majority of computable outer bounds in the literature are relaxations of the Linear Programming bound which involves entropy functions of random variables related to the ...

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