Fractional order time-delay multivariable discrete grey model for short-term online public opinion prediction

•The multivariable grey model predicts short-term online public opinion is proposed.•The parameter estimation and time response formula are expressed as discrete form.•The time-delay parameters are introduced to model considering the time-lag effect.•The fractional-order operator is introduced to re...

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Veröffentlicht in:	Expert systems with applications 2022-07, Vol.197, p.116691, Article 116691
Hauptverfasser:	Yan, Shuli, Su, Qi, Gong, Zaiwu, Zeng, Xiangyan
Format:	Artikel
Sprache:	eng
Schlagworte:	Fermentation Fractional order Lag time Multivariable discrete grey model Online public opinion Optimization models Parameters Prediction Public opinion Response time Time-delay
Online-Zugang:	Volltext
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