[Retracted] Improving and Evaluating Business Management in the Digital Economy Based on Data Analysis

Table 2

Effect value conversion.

Statistical quantities	Calculation method
Corrected correlation coefficient	, where is the reliability of the independent variable, is the reliability of the dependent variable
Fisher’s
Weighted average	, where the sampling standard error is , weight
Final effect value
Full sample sampling error
Final effect value sig
95% confidence interval
Variance of effect values
Sampling error variance
-value