First, apply the formula of Pearson's product-momentum correlation coefficient to the load data, <br>and select the variables with strong correlation between input and output.
First, the load data is applied to the formula of Pearson product dynamic difference correlation coefficient,<br>And select the variables with strong input-output correlation
Firstly, the formula of Pearson product dynamic difference correlation coefficient is applied to the load data, And select variables with strong correlation between input and output.