noun
multiple correlation coefficient
A statistical measure used in multiple regression analysis to assess the strength of the relationship between one dependent variable and two or more independent variables.
重相関係数は、回帰モデルの予測精度を評価するために使われる。
The multiple correlation coefficient is used to evaluate the predictive accuracy of a regression model.
相関係数 (correlation coefficient) measures the linear relationship between two variables, while 重相関係数 extends this to multiple independent variables.
Compound of 重 (multiple) + 相関 (correlation) + 係数 (coefficient), reflecting its statistical meaning.