Patent ID: 11888316
Assignee: WUHAN UNIVERSITY
Field: Computer technology (Electrical engineering)
Classification: CPC H  G  Y | IPC G  H

Claim 5:
6. The method according to claim 1, wherein an ARIMA(p,d,q) model is a combination of an AR(p) model and an MA(q) model, and the ARIMA(p,d,q) model is represented as:, x
    t
   
   =
   
    μ
    +
    
     
      
       ∑
        
      
      
       i
       =
       1
      
      p
     
     ⁢
     
      γ
      i
     
     ⁢
     
      x
      
       t
       -
       i
      
     
    
    +
    
     ξ
     i
    
    +
    
     
      
       ∑
        
      
      
       i
       =
       1
      
      q
     
     ⁢
     
      θ
      i
     
     ⁢
     
      ξ
      
       t
       -
       i
      
     
    
   
  
  ,, where xt is a current value, μ is a constant term, p is an order, γi is an autocorrelation coefficient, ξt is an error, q is an order, θi is a parameter eliminating random fluctuation, xt-i is a value at a moment t−i, ξt-i is an error at the moment t−i.