中文
相关论文

相关论文: Machine Learning Models Evaluation and Feature Imp…

200 篇论文

This article provides an overview of Supervised Machine Learning (SML) with a focus on applications to banking. The SML techniques covered include Bagging (Random Forest or RF), Boosting (Gradient Boosting Machine or GBM) and Neural…

综合金融 · 定量金融 2020-08-11 Linwei Hu , Jie Chen , Joel Vaughan , Hanyu Yang , Kelly Wang , Agus Sudjianto , Vijayan N. Nair

Accurate short-term forecasting of air temperature and relative humidity is critical for urban management, especially in topographically complex cities such as Chongqing, China. This study compares seven machine learning models: eXtreme…

机器学习 · 计算机科学 2026-03-25 Jiaqi Dong

Accurate demand forecasting is critical for brick-and-mortar retailers to optimize inventory management and minimize costs. This study evaluates statistical baselines, tree-based ensembles (XGBoost and LightGBM), and deep learning…

机器学习 · 计算机科学 2026-03-12 Luka Hobor , Mario Brcic , Lidija Polutnik , Ante Kapetanovic

The primary aim of this paper is to comprehend, assess, and analyze the role, relevance, and efficiency of machine learning models in predicting heart disease risks using clinical data. While the importance of heart disease risk prediction…

Vicious assaults, malware, and various ransomware pose a cybersecurity threat, causing considerable damage to computer structures, servers, and mobile and web apps across various industries and businesses. These safety concerns are…

密码学与安全 · 计算机科学 2023-11-29 Kavitha Kunku , ANK Zaman , Kaushik Roy

This paper summarizes the research conducted for a malware detection project using the Canadian Institute for Cybersecurity's MalMemAnalysis-2022 dataset. The purpose of the project was to explore the effectiveness and efficiency of machine…

密码学与安全 · 计算机科学 2026-02-03 Sarah Nassar

Medicare fraud poses a substantial challenge to healthcare systems, resulting in significant financial losses and undermining the quality of care provided to legitimate beneficiaries. This study investigates the use of machine learning (ML)…

机器学习 · 计算机科学 2025-02-25 Dorsa Farahmandazad , Kasra Danesh

In this work we build a stack of machine learning models aimed at composing a state-of-the-art credit rating and default prediction system, obtaining excellent out-of-sample performances. Our approach is an excursion through the most recent…

Creating accurate predictions in the stock market has always been a significant challenge in finance. With the rise of machine learning as the next level in the forecasting area, this research paper compares four machine learning models and…

交易与市场微观结构 · 定量金融 2023-09-06 Albert Wong , Steven Whang , Emilio Sagre , Niha Sachin , Gustavo Dutra , Yew-Wei Lim , Gaetan Hains , Youry Khmelevsky , Frank Zhang

Credit card fraud detection remains a critical challenge in financial security, with machine learning models like XGBoost(eXtreme gradient boosting) emerging as powerful tools for identifying fraudulent transactions. However, the inherent…

机器学习 · 计算机科学 2024-12-11 Siyaxolisa Kabane

Intracranial aneurysms (IAs) that rupture result in significant morbidity and mortality. While traditional risk models such as the PHASES score are useful in clinical decision making, machine learning (ML) models offer the potential to…

机器学习 · 计算机科学 2024-10-02 Pradyumna Elavarthi , Anca Ralescu , Mark D. Johnson , Charles J. Prestigiacomo

Using a comprehensive sample of 2,585 bankruptcies from 1990 to 2019, we benchmark the performance of various machine learning models in predicting financial distress of publicly traded U.S. firms. We find that gradient boosted trees…

计算金融 · 定量金融 2022-12-26 Emmanuel Alanis , Sudheer Chava , Agam Shah

In this paper, we demonstrate a surprising capability of large language models (LLMs): given only input feature names and a description of a prediction task, they are capable of selecting the most predictive features, with performance…

机器学习 · 计算机科学 2025-04-21 Daniel P. Jeong , Zachary C. Lipton , Pradeep Ravikumar

We present a benchmark for large language models designed to tackle one of the most knowledge-intensive tasks in data science: writing feature engineering code, which requires domain knowledge in addition to a deep understanding of the…

计算与语言 · 计算机科学 2024-11-01 Michał Pietruszka , Łukasz Borchmann , Aleksander Jędrosz , Paweł Morawiecki

Recent advances in genomic sequencing technology have resulted in an abundance of genome sequence data. Despite the progress in interpreting those data, there remains a broad scope for their translation into clinical and societal benefits.…

基因组学 · 定量生物学 2021-12-13 Abhinav Jain , Greg Slabaugh , Deepti Gurdasani

Electronic health records are an increasingly important resource for understanding the interactions between patient health, environment, and clinical decisions. In this paper we report an empirical study of predictive modeling of several…

计算机与社会 · 计算机科学 2019-03-29 William La Cava , Christopher Bauer , Jason H. Moore , Sarah A Pendergrass

We move beyond "Is Machine Learning Useful for Macroeconomic Forecasting?" by adding the "how". The current forecasting literature has focused on matching specific variables and horizons with a particularly successful algorithm. In…

计量经济学 · 经济学 2020-08-31 Philippe Goulet Coulombe , Maxime Leroux , Dalibor Stevanovic , Stéphane Surprenant

We introduce a novel machine learning model for credit risk by combining tree-boosting with a latent spatio-temporal Gaussian process model accounting for frailty correlation. This allows for modeling non-linearities and interactions among…

风险管理 · 定量金融 2025-12-19 Pascal Kündig , Fabio Sigrist

This study examines the effect that different feature selection methods have on models created with XGBoost, a popular machine learning algorithm with superb regularization methods. It shows that three different ways for reducing the…

机器学习 · 计算机科学 2024-11-12 Jorge Neyra , Vishal B. Siramshetty , Huthaifa I. Ashqar

Childhood obesity remains a major public health challenge in the United States, strongly influenced by a combination of individual-level, household-level, and environmental-level risk factors. Traditional epidemiological studies typically…

机器学习 · 计算机科学 2025-12-30 Eswarasanthosh Kumar Mamillapalli , Nishtha Sharma