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Tree-based ensemble methods, as Random Forests and Gradient Boosted Trees, have been successfully used for regression in many applications and research studies. Furthermore, these methods have been extended in order to deal with uncertainty…

机器学习 · 计算机科学 2018-11-20 Myriam Tami , Marianne Clausel , Emilie Devijver , Adrien Dulac , Eric Gaussier , Stefan Janaqi , Meriam Chebre

Ensemble methods such as random forests have transformed the landscape of supervised learning, offering highly accurate prediction through the aggregation of multiple weak learners. However, despite their effectiveness, these methods often…

机器学习 · 计算机科学 2026-05-29 Massimo Aria , Agostino Gnasso , Carmela Iorio , Marjolein Fokkema

In this work, we propose an ensemble forecasting approach based on randomized neural networks. Improved randomized learning streamlines the fitting abilities of individual learners by generating network parameters in accordance with the…

机器学习 · 计算机科学 2021-07-12 Grzegorz Dudek , Paweł Pełka

Predicting the individual risk of a clinical event using the complete patient history is still a major challenge for personalized medicine. Among the methods developed to compute individual dynamic predictions, the joint models have the…

机器学习 · 统计学 2024-07-17 Anthony Devaux , Catherine Helmer , Robin Genuer , Cécile Proust-Lima

Tree-based ensembles such as the Random Forest are modern classics among statistical learning methods. In particular, they are used for predicting univariate responses. In case of multiple outputs the question arises whether we separately…

机器学习 · 统计学 2022-01-17 Lena Schmid , Alexander Gerharz , Andreas Groll , Markus Pauly

Background: Seasonal influenza causes a substantial burden on healthcare services over the winter period when these systems are already under pressure. Policies during the COVID-19 pandemic supressed the transmission of season influenza,…

Distributional forecasts are important for a wide variety of applications, including forecasting epidemics. Often, forecasts are miscalibrated, or unreliable in assigning uncertainty to future events. We present a recalibration method that…

机器学习 · 计算机科学 2023-01-11 Aaron Rumack , Ryan J. Tibshirani , Roni Rosenfeld

Random forests are widely used in regression. However, the decision trees used as base learners are poor approximators of linear relationships. To address this limitation we propose RaFFLE (Random Forest Featuring Linear Extensions), a…

机器学习 · 计算机科学 2025-02-17 Jakob Raymaekers , Peter J. Rousseeuw , Thomas Servotte , Tim Verdonck , Ruicong Yao

Several studies have shown that combining machine learning models in an appropriate way will introduce improvements in the individual predictions made by the base models. The key to make well-performing ensemble model is in the diversity of…

机器学习 · 计算机科学 2021-03-01 Mohsen Shahhosseini , Guiping Hu

Influenza A is responsible for 290,000 to 650,000 respiratory deaths a year, though this estimate is an improvement from years past due to improvements in sanitation, healthcare practices, and vaccination programs. In this study, we perform…

机器学习 · 计算机科学 2025-07-29 Edmund F. Agyemang , Hansapani Rodrigo , Vincent Agbenyeavu

In this article, we focus on the analysis of the potential factors driving the spread of influenza, and possible policies to mitigate the adverse effects of the disease. To be precise, we first invoke discrete Fourier transform (DFT) to…

机器学习 · 计算机科学 2019-12-09 Ziming Liu , Yixuan Wang , Zizhao Han , Dian Wu

Tree-based models have been successfully applied to a wide variety of tasks, including time series forecasting. They are increasingly in demand and widely accepted because of their comparatively high level of interpretability. However, many…

机器学习 · 计算机科学 2024-01-03 Matthias Jakobs , Amal Saadallah

In this paper, we present a new approach to time series forecasting. Time series data are prevalent in many scientific and engineering disciplines. Time series forecasting is a crucial task in modeling time series data, and is an important…

机器学习 · 计算机科学 2020-01-24 Neo Wu , Bradley Green , Xue Ben , Shawn O'Banion

In this manuscript, we use meteorological information in Galicia (Spain) to propose a novel approach to predict the incidence of influenza. Our approach extends the GLS methods in the multivariate framework to functional regression models…

This paper presents a predictive model for Influenza-Like-Illness, based on Twitter traffic. We gather data from Twitter based on a set of keywords used in the Influenza wikipedia page, and perform feature selection over all words used in 3…

社会与信息网络 · 计算机科学 2021-11-23 Katerina Katsani-Geronymaki , Polyvios Pratikakis

Random forests are a statistical learning technique that use bootstrap aggregation to average high-variance and low-bias trees. Improvements to random forests, such as applying Lasso regression to the tree predictions, have been proposed in…

机器学习 · 统计学 2025-11-13 Jing Shang , James Bannon , Benjamin Haibe-Kains , Robert Tibshirani

This study presents a machine learning-based framework for heart disease prediction using the heart-disease dataset, comprising 303 samples with 14 features. The methodology involves data preprocessing, model training, and evaluation using…

机器学习 · 计算机科学 2025-05-16 Ali Azimi Lamir , Shiva Razzagzadeh , Zeynab Rezaei

Seasonal influenza forecasting is critical for public health and individual decision making. We investigate whether the inclusion of data about influenza activity in neighboring states can improve point predictions and distribution…

应用统计 · 统计学 2024-08-26 Gabrielle Thivierge , Aaron Rumack , F. William Townes

A random forest prediction can be computed by the scalar product of the labels of the training examples and a set of weights that are determined by the leafs of the forest into which the test object falls; each prediction can hence be…

机器学习 · 计算机科学 2023-11-27 Henrik Boström

Influenza epidemics result in a public health and economic burden around the globe. Traditional surveillance techniques, which rely on doctor visits, provide data with a delay of 1-2 weeks. A means of obtaining real-time data and…

种群与进化 · 定量生物学 2019-04-11 Wendy K. Caldwell , Geoffrey Fairchild , Sara Y. Del Valle