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lorihab1970
19.09.2019 •
Mathematics
What is the coefficient of determination? how is it calculated? what does it measure? what values does it take on?
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Ответ:
It is interpreted as the proportion of the variance in the dependent variable that is predictable from the independent variable.
The coefficient of determination (R2) for a linear regression model with one independent variable is:
where N is the number of observations used to fit the model, Σ is the summation symbol,Ответ:
(a+3)*8,5=17*2
a+3= 34/8,5
a+3=4
a=4-3
a=1