| 释义 |
coefficient of determination
释义
决定系数：在统计学中，因变量的变异中可以从自变量（或预测变量）中预测出的部分所占的比例，它提供了一个衡量观察结果与模型复制程度的指标。
例句
1·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。
2·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。
3·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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