To conduct a multiple linear regression analysis, the variables included in the model by the Enter method. Auditing standards is the standard built in auditing methods F statistic values and determine the probability of the F statistic values, testing the degree of fit between the model and the master through the coefficient of determination R2. The diagnostic tool helps to detect the existence of most of the data in the online community to rate online plus get estimate for parameters degradation is: magnification coefficient of variance (Variance inflation factor-VIF). The rule is when 10, which is beyond the VIF sign of most online communities.
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