Dynamic Prediction Research of Silicon Content in Hot Metal Driven by Big Data in Blast Furnace Smelting Process under Hadoop Cloud Platform

Table 1

List of results of alternative input indicator and [Si]% gray relational degree solving.

Variable symbol	Gray correlation	Is larger than a threshold
X1	0.8702	✔
X2	0.8861	✔
X3	0.8860	✔
X4	0.8641	✘
X5	0.8737	✔
X6	0.8862	✔
X7	0.8772	✔
X8	0.8689	✘
X9	0.8864	✔
X10	0.8852	✔
X11	0.8860	✔
X12	0.8896	✔
X13	0.8811	✔
X14	0.8814	✔
X15	0.8666	✘
X16	0.8804	✔
X17	0.8199	✘
X18	0.8195	✘
X19	0.8842	✔
X20	0.8827	✔
X21	0.8848	✔
X22	0.8853	✔
X23	0.9160	✔
X24	0.8832	✔