Results 11 to 20 of about 3,566,037 (267)

Boosted regression tree variable permutation importance.

open access: yes, 2021
Boosted regression tree variable permutation importance.
Thomas R. Unnasch (7444841)   +3 more
core   +1 more source

Urban Link Travel Time Prediction Based on a Gradient Boosting Method Considering Spatiotemporal Correlations

open access: yesISPRS International Journal of Geo-Information, 2016
The prediction of travel times is challenging because of the sparseness of real-time traffic data and the intrinsic uncertainty of travel on congested urban road networks.
Faming Zhang   +5 more
doaj   +1 more source

Boosted Beta regression. [PDF]

open access: yes, 2013
Regression analysis with a bounded outcome is a common problem in applied statistics. Typical examples include regression models for percentage outcomes and the analysis of ratings that are measured on a bounded scale.
Andreas Mayr (406146)   +24 more
core   +2 more sources

Fitting function variables and distribution of fitted values created based on the boosted regression tree models.

open access: yes, 2023
Fitting function variables and distribution of fitted values created based on the boosted regression tree models.
Ye Chen (241426)   +2 more
core   +1 more source

Predicting risk of sepsis, comparison between machine learning methods: a case study of a Virginia hospital

open access: yesEuropean Journal of Medical Research, 2022
Highlights Six machine learning methods, Logistic Regression (LR), Naïve Bayes, Support Vector Machine (SVM), Boosted Tree, Classification and Regression Tree (CART), and Bootstrap Forest were compared together in order to predict sepsis.
Behrad Barghi, Nasibeh Azadeh-Fard
doaj   +1 more source

Modelling point mass balance for the glaciers of the Central European Alps using machine learning techniques [PDF]

open access: yesThe Cryosphere, 2023
Glacier mass balance is typically estimated using a range of in situ measurements, remote sensing measurements, and physical and temperature index modelling techniques.
R. Anilkumar   +4 more
doaj   +1 more source

Climate change enhanced the positive contribution of human activities to net ecosystem productivity from 1983 to 2018

open access: yesFrontiers in Ecology and Evolution, 2023
IntroductionAccurate assessment of the net ecosystem productivity (NEP) is very important for understanding the global carbon balance. However, it remains unknown whether climate change (CC) promoted or weakened the impact of human activities (HA) on the
Min Liu   +23 more
doaj   +1 more source

Machine learning versus linear regression modelling approach for accurate ozone concentrations prediction

open access: yesEngineering Applications of Computational Fluid Mechanics, 2020
High level of tropospheric ozone concentration, exceeding allowable level has been frequently reported in Malaysia. This study proposes accurate model based on Machine Learning algorithms to predict Tropospheric ozone concentration in major cities ...
Ellysia Jumin   +7 more
doaj   +1 more source

Analysis of Effects of Recent Changes in Hydrothermal Conditions on Vegetation in Central Asia

open access: yesLand, 2022
Understanding the relationship of hydrothermal conditions to vegetation changes is conducive to revealing the feedback mechanism connecting climate variations and vegetation.
Xiuwei Xing   +7 more
doaj   +1 more source

Construction cost estimation of reinforced and prestressed concrete bridges using machine learning

open access: yesGrađevinar, 2021
Seven state-of-the-art machine learning techniques for estimation of construction costs of reinforced-concrete and prestressed concrete bridges are investigated in this paper, including artificial neural networks (ANN) and ensembles of ANNs, regression ...
Miljan Kovačević   +3 more
doaj   +1 more source

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