a. most online community phenomenon (Multicollinearity): this phenomenon occurs when the coefficient of determination R2 is very high, while the level of statistical significance (significant) at the higher value. To test this assumption violation, we can use coefficient of VIF, if independent variables have VIF ≥ 10 news will have multiple online community phenomenon, then we proceed to remove it out of the independent variable regression model.
đang được dịch, vui lòng đợi..
