Coefficicnt Detennination Another way is to measure the usei"lIlness of regression models to calculate how big the contribution of X (independent variables) in predicting Y (dependent variable), this method is also called the coefficient of determ inat ion. Equation: The coefficient of determination (D) = r2 The coefficient ofdetermination ranged from: -I .::; r2.::; I Results of coefficient determination expressed as a percent. The coefficient of determination means the variation of one variable caused by changes in other variables, or how strong the influence of X (independent variable) on Y (dependent variable). The value of a is known by looking at the ANOVA table.
4. Empirical Results 4.1 Regression Based on the table I. data processing, the value of the constant (a) for the fourth regression equation is 0.865, while the slope value of the variable XI (bl) is -0.277, the slope value of the variable X7. (b2) is 3.294, the slope value of the variable XJ (b)) was 14.862, the value of the variable slope X4 (b4) is -18.375, the data obtained by the fifth regression equations as follows:
Coefficicnt Detennination Another way is to measure the usei"lIlness of regression models to calculate how big the contribution of X (independent variables) in predicting Y (dependent variable), this method is also called the coefficient of determ inat ion. Equation: The coefficient of determination (D) = r2 The coefficient ofdetermination ranged from: -I .::; r2.::; I Results of coefficient determination expressed as a percent. The coefficient of determination means the variation of one variable caused by changes in other variables, or how strong the influence of X (independent variable) on Y (dependent variable). The value of a is known by looking at the ANOVA table. 4. Empirical Results 4.1 Regression Based on the table I. data processing, the value of the constant (a) for the fourth regression equation is 0.865, while the slope value of the variable XI (bl) is -0.277, the slope value of the variable X7. (b2) is 3.294, the slope value of the variable XJ (b)) was 14.862, the value of the variable slope X4 (b4) is -18.375, the data obtained by the fifth regression equations as follows:
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