E-Commerce Demand Forecasting Based on Time Series Analysis and Commodity Classification DOI
Zhicheng Pan,

Pengyang Wei

Опубликована: Ноя. 25, 2023

The problem of demand forecasting for e-commerce retail merchants is a common challenge in the industry. key lies how to accurately predict customer and solve practical problems based on prediction results. research this topic facilitates platforms adjust their inventory timely manner so as not only satisfy but also effectively reduce costs operating costs. It line with development trend industry, such intelligence, personalization customization, integration online offline. In paper, hybrid ARIMA-LR model first used forecast different storage sites e-commerce. This combines an autoregressive sliding average (ARIMA) linear regression (LR) improve accuracy stability. Then, genetic algorithm select best classification metrics. performance metrics, most suitable metrics from them classify time series. By classifying series into categories, patterns features same type can be better understood analyzed. helps extract useful information, identify potential trends patterns, provide decision support management warehouse sites.

Язык: Английский

Interaction-based differential dynamic fractional-order IDFGM(1,N,ri) model and its applications DOI
Hao Li,

Qifeng Wei,

Huimin Zhou

и другие.

Grey Systems Theory and Application, Год журнала: 2025, Номер unknown

Опубликована: Май 8, 2025

Purpose This study aims to address the interaction among influencing factors in real systems and varying intensity of impact that independent variables have on dependent variables, a new IDFGM(1,N,ri) model is proposed. Design/methodology/approach Firstly, grey relational analysis utilized screen sequences identify their interactions. Secondly, particle swarm optimization employed for differential orders nonlinear parameters each variable, while least squares method used calculate structural parameter matrix, constructing time response function model. Finally, applied simulate predict carbon dioxide emissions China compared with other models. Findings The results show has good simulating predicting performance, verifying its effectiveness. newly introduced demonstrates high degree compatibility can be seamlessly integrated conventional In case analysis, shows enhanced predictive performance relative benchmark finding suggests articulated this successfully captures attributes sequence by employing order, facilitated algorithm. Practical implications article presents scientifically grounded effective forecasting emissions. outcomes these predictions serve as theoretical foundation development policies aimed at reduction energy transition. Originality/value unique contribution incorporation interactions into multivariable prediction models, along cumulative both account variations. Furthermore, application enabled adapt dynamically.

Язык: Английский

Процитировано

0

Sparse grey forecasting model learning and applications to fatigue life prediction of aircraft lap joint structures DOI
Lu Yang, Qiuhui Xu, Baolei Wei

и другие.

ISA Transactions, Год журнала: 2025, Номер unknown

Опубликована: Май 1, 2025

Язык: Английский

Процитировано

0

A New Fractional-Order Grey Prediction Model without a Parameter Estimation Process DOI Creative Commons
Yadong Wang, Chong Liu

Fractal and Fractional, Год журнала: 2024, Номер 8(7), С. 396 - 396

Опубликована: Июль 2, 2024

The fractional-order grey prediction model is widely recognized for its performance in time series tasks with small sample characteristics. However, parameter-estimation method, namely the least squares limits predictive of and requires to address ill-conditioning system. To these issues, this paper proposes a novel parameter-acquisition method treating structural parameters as hyperparameters, obtained through marine predators optimization algorithm. experimental analysis on three datasets validate effectiveness proposed paper.

Язык: Английский

Процитировано

2

Innovative grey multivariate prediction model for forecasting Chinese natural gas consumption DOI Creative Commons
Zhiming Hu, Tao Jiang

Alexandria Engineering Journal, Год журнала: 2024, Номер 103, С. 384 - 392

Опубликована: Июль 2, 2024

Язык: Английский

Процитировано

2

Henry Hub monthly natural gas price forecasting using CEEMDAN–Bagging–HHO–SVR DOI Creative Commons

Yonghui Duan,

Jianhui Zhang, Xiang Wang

и другие.

Frontiers in Energy Research, Год журнала: 2023, Номер 11

Опубликована: Дек. 14, 2023

As a clean fossil energy source, natural gas plays crucial role in the global transition. Forecasting prices is an important area of research. This paper aims at developing novel hybrid model that contributes to prediction prices. We develop combines “Decomposition Algorithm” (CEEMDAN), “Ensemble (Bagging), “Optimization (HHO), and “Forecasting model” (SVR). The used for monthly Henry Hub forecasting. To avoid problem data leakage caused by decomposing whole time series, we propose rolling decomposition algorithm. In addition, analyzed factors affecting multivariate Experimental results indicate proposed more effective than traditional predicting

Язык: Английский

Процитировано

3

Design of Fractional Verhulst Model for Displacement Prediction of Landslide Based on the Optimization of Beetle Antennae Algorithm DOI Creative Commons
Xiaoping Yang,

Zhehong Li,

Kai Tan

и другие.

Information Technology And Control, Год журнала: 2023, Номер 52(4), С. 849 - 866

Опубликована: Дек. 22, 2023

Landslides significantly impact economic development and public safety. Aiming at the problem of insufficient prediction accuracy displacement data series traditional grey Verhulst model, this paper proposes a fractional model optimized using beetle tentacle search algorithm. First, based on order operator is introduced to accurately adjust magnitude between cumulative values, constructing order-based model. Expanding accumulative range improves performance. Second, optimized. The antennae algorithm finds optimal 0 1 in minimizing average relative error. Finally, Heifangtai landslide group from Gansu Province, simulation experiments verified that has higher fitting effect than Huang's improved GM (1,1) cubic exponential smoothing DGM (2,1) error 2.949 %. Results show data. more suitable for predicting deformation.

Язык: Английский

Процитировано

1

A Nonlinear Grey Bernoulli Model with Conformable Fractional-Order Accumulation and Its Application to the Gross Regional Product in the Cheng-Yu Area DOI Open Access
Wenqing Wu, Xin Ma, Bo Zeng

и другие.

系统科学与信息学报(英文), Год журнала: 2024, Номер 12(2), С. 245 - 273

Опубликована: Янв. 1, 2024

This study considers a nonlinear grey Bernoulli forecasting model with conformable fractional-order accumulation, abbreviated as CFNGBM$(1, 1, \lambda)$, to the gross regional product in Cheng-Yu area. The new contains three parameters, power exponent $\gamma$, id="M3">$\alpha$ and background value id="M4">$\lambda$, which increase adjustability flexibility of id="M5">$(1, \lambda)$ model. Nonlinear parameters are determined by moth flame optimization algorithm, minimizes mean absolute prediction percentage error. id="M6">$(1, is applied 16 cities area, Chongqing, Chengdu, Mianyang, Leshan, Zigong, Deyang, Meishan, Luzhou, Suining, Neijiang, Nanchong, Guang'an, Yibin, Ya'an, Dazhou Ziyang. With data from 2013 2021, several models established results show that has higher accuracy most cases.

Язык: Английский

Процитировано

0

Online public opinion prediction based on a novel conformable fractional discrete grey model DOI Creative Commons
Feng Feng, Xiaoxiao Ge, Stefania Tomasiello

и другие.

Kybernetes, Год журнала: 2024, Номер 53(13), С. 72 - 100

Опубликована: Ноя. 27, 2024

Purpose As social networks have developed to be a ubiquitous platform of public opinion spreading, it becomes more and crucial for maintaining security stability by accurately predicting various trends dissemination in networks. Considering the fact that online is dynamic process full uncertainty complexity, this study establishes novel conformable fractional discrete grey model with linear time-varying parameters, namely CFTDGM(1,1) model, accurate prediction trends. Design/methodology/approach First, accumulation difference operators are employed build enhancing traditional integer-order parameters. Then, improve forecasting accuracy, base value correction term introduced optimize iterative model. Next, differential evolution algorithm selected determine optimal order proposed through comparison whale optimization particle swarm algorithm. The least squares method utilized estimate parameter values In addition, effectiveness tested event about “IG team winning championship”. Finally, we conduct empirical analysis on two hot events regarding “Chengdu toddler mauled Rottweiler” “Mayday band suspected lip-syncing,” further assess ability applicability seven other existing models. Findings test case recent reveal outperforms most models terms performance. Therefore, chosen forecast development these events. results indicate attention both will decline slowly over next three days. Originality/value A help has higher accuracy feasibility trend prediction.

Язык: Английский

Процитировано

0

E-Commerce Demand Forecasting Based on Time Series Analysis and Commodity Classification DOI
Zhicheng Pan,

Pengyang Wei

Опубликована: Ноя. 25, 2023

The problem of demand forecasting for e-commerce retail merchants is a common challenge in the industry. key lies how to accurately predict customer and solve practical problems based on prediction results. research this topic facilitates platforms adjust their inventory timely manner so as not only satisfy but also effectively reduce costs operating costs. It line with development trend industry, such intelligence, personalization customization, integration online offline. In paper, hybrid ARIMA-LR model first used forecast different storage sites e-commerce. This combines an autoregressive sliding average (ARIMA) linear regression (LR) improve accuracy stability. Then, genetic algorithm select best classification metrics. performance metrics, most suitable metrics from them classify time series. By classifying series into categories, patterns features same type can be better understood analyzed. helps extract useful information, identify potential trends patterns, provide decision support management warehouse sites.

Язык: Английский

Процитировано

0