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相关论文: Feature-Based Time-Series Analysis in R using the …

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Time series classification (TSC) is the most import task in time series mining as it has several applications in medicine, meteorology, finance cyber security, and many others. With the ever increasing size of time series datasets, several…

机器学习 · 计算机科学 2023-12-12 Muhammad Marwan Muhammad Fuad

The gmwm R package for inference on time series models is mainly based on the quantity called wavelet variance which is derived from a wavelet decomposition of a time series. This quantity provides a means to summarize and graphically…

统计计算 · 统计学 2016-07-18 James Balamuta , Roberto Molinari , Stéphane Guerrier , Wenchao Yang

Time-Series Classification (TSC) has attracted a lot of attention in pattern recognition, because wide range of applications from different domains such as finance and health informatics deal with time-series signals. Bag of Features (BoF)…

计算机视觉与模式识别 · 计算机科学 2018-03-30 Nima Hatami , Yann Gavet , Johan Debayle

The continued digitization of societal processes translates into a proliferation of time series data that cover applications such as fraud detection, intrusion detection, and energy management, where anomaly detection is often essential to…

The R package innsight offers a general toolbox for revealing variable-wise interpretations of deep neural networks' predictions with so-called feature attribution methods. Aside from the unified and user-friendly framework, the package…

机器学习 · 统计学 2025-01-22 Niklas Koenen , Marvin N. Wright

Quantifying relationships between components of a complex system is critical to understanding the rich network of interactions that characterize the behavior of the system. Traditional methods for detecting pairwise dependence of time…

数据分析、统计与概率 · 物理学 2024-04-10 Aria Nguyen , Oscar McMullin , Joseph T. Lizier , Ben D. Fulcher

Software plays a crucial role in our daily lives, and therefore the quality and security of software systems have become increasingly important. However, vulnerabilities in software still pose a significant threat, as they can have serious…

软件工程 · 计算机科学 2023-09-18 Chaozheng Wang , Zongjie Li , Yun Peng , Shuzheng Gao , Sirong Chen , Shuai Wang , Cuiyun Gao , Michael R. Lyu

This paper describes the R package imputeTestbench that provides a testbench for comparing imputation methods for missing data in univariate time series. The imputeTestbench package can be used to simulate the amount and type of missing…

统计方法学 · 统计学 2020-05-20 Neeraj Bokde , Kishore Kulat , Marcus W Beck , Gualberto Asencio-Cortés

Time series analysis is crucial in diverse scenarios. Beyond forecasting, considerable real-world tasks are categorized into classification, imputation, and anomaly detection, underscoring different capabilities termed time series…

机器学习 · 计算机科学 2025-03-03 Haoran Zhang , Yong Liu , Yunzhong Qiu , Haixuan Liu , Zhongyi Pei , Jianmin Wang , Mingsheng Long

R and Python are among the most popular languages used in many critical data analytics tasks. However, we still do not fully understand the capabilities of these two languages w.r.t. bugs encountered in data analytics tasks. What type of…

软件工程 · 计算机科学 2023-06-16 Shibbir Ahmed , Mohammad Wardat , Hamid Bagheri , Breno Dantas Cruz , Hridesh Rajan

Multivariate spatio-temporal models are widely applicable, but specifying their structure is complicated and may inhibit wider use. We introduce the R package tinyVAST from two viewpoints: the software user and the statistician. From the…

统计方法学 · 统计学 2024-01-19 James T. Thorson , Sean C. Anderson , Pamela Goddard , Christopher N. Rooper

Now a days, data mining and knowledge discovery methods are applied to a variety of enterprise and engineering disciplines to uncover interesting patterns from databases. The study of Sequential patterns is an important data mining problem…

数据库 · 计算机科学 2009-06-24 Jigyasa Bisaria , Namita Shrivastava , K. R. Pardasani

A wide range of scientific imaging datasets benefit from human inspection for purposes ranging from prosaic-such as fault identification and quality inspection-to profound, enabling the discovery of new phenomena. As such, these datasets…

天体物理仪器与方法 · 物理学 2025-07-04 Ryan Walker , Andi Kisare , Lindsey Bleem

Context: During the development process of a software program, regression testing is used to ensure that the correct behavior of the software is retained after updates to the source code. This regression testing becomes costly over time as…

Design patterns are elegant and well-tested solutions to recurrent software development problems. They are the result of software developers dealing with problems that frequently occur, solving them in the same or a slightly adapted way. A…

软件工程 · 计算机科学 2019-03-25 Hannes Thaller , Lukas Linsbauer , Alexander Egyed

Time series classification (TSC) is home to a number of algorithm groups that utilise different kinds of discriminatory patterns. One of these groups describes classifiers that predict using phase dependant intervals. The time series forest…

机器学习 · 计算机科学 2021-05-11 Matthew Middlehurst , James Large , Anthony Bagnall

Time Series Foundation Models (TSFMs) advance generalization and data efficiency in time series forecasting by unified large-scale pretraining. But TSFMs remain lacking when adapting to specific downstream forecasting tasks for two reasons.…

信号处理 · 电气工程与系统科学 2026-05-04 Siyang Li , Yize Chen , Zijie Zhu , Yuxin Pan , Yan Guo , Ming Huang , Hui Xiong

Evaluating time series attribution methods is difficult because real-world datasets rarely provide ground truth for which time points drive a prediction. A common workaround is to generate synthetic data where class-discriminating features…

机器学习 · 计算机科学 2026-03-10 Gregor Baer

Time series are all around in real-world applications. However, unexpected accidents for example broken sensors or missing of the signals will cause missing values in time series, making the data hard to be utilized. It then does harm to…

机器学习 · 计算机科学 2020-11-24 Chenguang Fang , Chen Wang

Feature engineering for tabular data remains a critical yet challenging step in machine learning. Recently, large language models (LLMs) have been used to automatically generate new features by leveraging their vast knowledge. However,…

人工智能 · 计算机科学 2025-06-26 Sungwon Han , Sungkyu Park , Seungeon Lee