New Optimal Weight Combination Model for Forecasting Precipitation

Table 1

History set 𝐴_𝑡 and current set 𝐵.

History set	Elements	Subsequent value
𝐴1	𝑥1,𝑥2,…,𝑥𝑇	𝑥𝑇+1
𝐴2	𝑥2,𝑥3,…,𝑥𝑇+1	𝑥𝑇+2
⋮	⋯	⋯
𝐴𝑖	𝑥𝑖+1,𝑥𝑖+2,…,𝑥𝑖+𝑇	𝑥𝑖+𝑇+1
⋮	⋯	⋯
𝐴𝑛−𝑇	𝑥𝑛−𝑇,𝑥𝑛−𝑇+1,…,𝑥𝑛−1	𝑥𝑛
Current set	Elements	Subsequent value
𝐵	𝑥𝑛−𝑇+1,𝑥𝑛−𝑇+2,…,𝑥𝑛	𝑥𝑛+1