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With the advent of Big Data, nowadays in many applications databases containing large quantities of similar time series are available. Forecasting time series in these domains with traditional univariate forecasting procedures leaves great…

机器学习 · 计算机科学 2018-09-13 Kasun Bandara , Christoph Bergmeir , Slawek Smyl

This paper introduces a dual-regularized ADMM approach to distributed, time-varying optimization. The proposed algorithm is designed in a prediction-correction framework, in which the computing nodes predict the future local costs based on…

最优化与控制 · 数学 2024-05-07 Nicola Bastianello , Andrea Simonetto , Ruggero Carli

The intention of this research is to study and design an automated agriculture commodity price prediction system with novel machine learning techniques. Due to the increasing large amounts historical data of agricultural commodity prices…

机器学习 · 计算机科学 2021-06-25 Zhiyuan Chen , Howe Seng Goh , Kai Ling Sin , Kelly Lim , Nicole Ka Hei Chung , Xin Yu Liew

In order to further overcome the difficulties of the existing models in dealing with the non-stationary and nonlinear characteristics of high-frequency financial time series data, especially its weak generalization ability, this paper…

计量经济学 · 经济学 2021-03-08 Qi Tang , Tongmei Fan , Ruchen Shi , Jingyan Huang , Yidan Ma

Time series data in the retail world are particularly rich in terms of dimensionality, and these dimensions can be aggregated in groups or hierarchies. Valuable information is nested in these complex structures, which helps to predict the…

机器学习 · 统计学 2019-03-25 Luis Roque , Cristina A. C. Fernandes , Tony Silva

Time series forecasting plays an increasingly important role in modern business decisions. In today's data-rich environment, people often aim to choose the optimal forecasting model for their data. However, identifying the optimal model…

应用统计 · 统计学 2021-12-17 Xixi Li , Fotios Petropoulos , Yanfei Kang

Hierarchical time series forecasting plays a crucial role in decision-making in various domains while presenting significant challenges for modelling as they involve multiple levels of aggregation, constraints, and availability of…

机器学习 · 计算机科学 2024-11-12 Zhao Yingjie , Mahdi Abolghasemi

Deciding which predictors to use plays an integral role in deriving statistical models in a wide range of applications. Motivated by the challenges of predicting events across a telecommunications network, we propose a semi-automated, joint…

统计方法学 · 统计学 2020-01-10 Aaron Lowther , Paul Fearnhead , Matthew Nunes , Kjeld Jensen

The standard approach for studying the periodic ARMA model with coefficients that vary over the seasons is to express it in a vector form. In this paper we introduce an alternative method which views the periodic formulation as a time…

统计方法学 · 统计学 2014-03-20 Menelaos Karanasos , Alexandros Paraskevopoulos , Stavros Dafnos

Prediction of user traffic in cellular networks has attracted profound attention for improving resource utilization. In this paper, we study the problem of network traffic traffic prediction and classification by employing standard machine…

网络与互联网体系结构 · 计算机科学 2019-06-04 Amin Azari , Panagiotis Papapetrou , Stojan Denic , Gunnar Peters

Since the chemical industry index is one of the important indicators to measure the development of the chemical industry, forecasting it is critical for understanding the economic situation and trends of the industry. Taking the…

统计方法学 · 统计学 2024-04-30 Xiang Li , Hu Yang

We introduce Galerkin-ARIMA and Galerkin-SARIMA, a projection-based extension of classical ARIMA/SARIMA that replaces rigid linear lag operators with low-dimensional Galerkin basis expansions while preserving the familiar AR-MA…

机器学习 · 统计学 2026-03-03 Haojie Liu , Zihan Lin

Accurate forecasting of the U.K. gross value added (GVA) is fundamental for measuring the growth of the U.K. economy. A common nonstationarity in GVA data, such as the ABML series, is its increase in variance over time due to inflation.…

统计方法学 · 统计学 2023-03-15 Rebecca Killick , Marina I. Knight , Guy P. Nason , Matthew A. Nunes , Idris A. Eckley

Many residential energy consumers have installed photovoltaic (PV) panels and energy storage systems. These residential users can aggregate and participate in the energy markets. A stochastic decision making model for an aggregation of…

最优化与控制 · 数学 2020-02-21 Hossein Khazaei , Ramin Moslemi , Ratnesh Sharma

Recent works for time-series forecasting more and more leverage the high predictive power of Deep Learning models. With this increase in model complexity, however, comes a lack in understanding of the underlying model decision process,…

机器学习 · 计算机科学 2025-01-17 Matthias Jakobs , Thomas Liebig

Probabilistic time series forecasting is crucial for quantifying future uncertainty, with significant applications in fields such as energy and finance. However, existing methods often rely on computationally expensive sampling or…

机器学习 · 计算机科学 2026-01-21 Lei Liu , Tengyuan Liu , Hongwei Zhao , Jiahui Huang , Ruibo Guo , Bin Li

Uncertainty quantification in prediction presents a compelling challenge with vast applications across various domains, including biomedical science, economics, and weather forecasting. There exists a wide array of methods for constructing…

统计方法学 · 统计学 2024-07-16 Jianqing Fan , Jiawei Ge , Debarghya Mukherjee

This paper proposes a simple yet effective convolutional module for long-term time series forecasting. The proposed block, inspired by the Auto-Regressive Integrated Moving Average (ARIMA) model, consists of two convolutional components:…

机器学习 · 计算机科学 2025-09-15 Myung Jin Kim , YeongHyeon Park , Il Dong Yun

Reliable uncertainty quantification is of critical importance in time series forecasting, yet traditional methods often rely on restrictive distributional assumptions. Conformal prediction (CP) has emerged as a promising distribution-free…

机器学习 · 计算机科学 2026-02-02 Andro Sabashvili

This study focuses on building an algorithmic investment strategy employing a hybrid approach that combines LSTM and ARIMA models referred to as LSTM-ARIMA. This unique algorithm uses LSTM to produce final predictions but boosts the results…

交易与市场微观结构 · 定量金融 2024-06-27 Kamil Kashif , Robert Ślepaczuk