Evolutionary Prediction of Nonstationary Event Popularity Dynamics of Weibo Social Network Using Time-Series Characteristics

Algorithm 1

Kalman filtering process.

	Input: Initial state mean and initial state covariance matrix .
	Output: State mean
	and state covariance matrix at each time .
(1)	fordo
(2)	Prediction operations:
(3)	equation (6)
(4)	equation (7)
(5)	equation (8)
(6)	equation (9)
(7)	Correction operations:
(8)	equation (10)
(9)	equation (11)
(10)	end