决定系数（coefficient of determination）：是相关系数的平方，用r2表示，它反映应变量Y的总变异中，可用回归关系解释的比例。
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配适度的衡量-- 判定系数 判定系数(coefficient of determination)：线性回归中最常用的配适度指标。它衡量回归模型所能捕捉的变动量占 Yi 总变动量中的比例，通常以 R2 来代表。
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... 可解子代数 solvable subalgebra 可决系数 coefficient of determination 可开拓的 prolongable ...
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multiple coefficient of determination 定系数 ; 复判定系数 ; 多重判定系数
partial coefficient of determination 定系数 ; 偏决定系数
Adjusted coefficient of determination 调整后的判定系数 ; 修正决定系数
adjusted multiple coefficient of determination 判定系数
The coefficient of Determination 样本可决系数
Population coefficient of determination 母体判定系数
multiple partial coefficient of determination [统计] 多重偏测定系数 ; 多重偏决定系数
Multiple correlation coefficient R was 0.552 and the coefficient of determination R~2 was 0.305. That is to say, those four variables could prognosticate 30.5% of the total score variance.
复相关系数R为0.552,决定系数R~2为0.305,即这四个变量能预测30.5%的总分变异。
参考来源 - ICU机械通气病人重症监护体验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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Interpret the calculated values of the correlation coefficient and the coefficient of determination, and understand the relationship between these two measures of association.
诠释相关系数与决定系数等计算而得的数值，和了解这两种相关性测量的关联。
Single age variable stock volume growth model had low coefficient of determination, but it was improved a lot by introducing site index and stand density index in reparameterization.
林龄单因变量的蓄积量生长模型决定系数低，引入地位指数和密度指数再次参数化的生长模型可显著提高模型拟合度。
The precondition of the acceleration testing method is the determination of the train resistance, rotary mass coefficient and train mass. The crucial test is measurement of train acceleration.
加速度测试法的先决条件是确定列车基本阻力、回转质量系数和列车质量，而其测试关键是列车加速度的测定。
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