Based on the relationship of each factor to the object to be analyzed from which constructed expression between factors
- Conducting turn to determine the influence of each factor in the conditions assumed factors Other unchanged.
- Initially taken root as the basis period, then in turn replaced the analysis period for the same period of the original number of each factor.
- After each replacement will re-calculate the classification criteria area. The difference between the calculated results with results previously calculated the degree of influence of these factors are changes to the object data analysis. The total effect of these factors are relatively equal to the object itself should be analyzed.
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