structure coefficient

例句：

1. 1. Thecoefficient of variation is used to measure the degree of variability in a dataset.
   变异系数用于衡量数据集的变异程度。
2. 2.In economics, the structure coefficient is used to measure the effect of changes in one variable on another.
   在经济学中，结构系数用于衡量一个变量的变化对另一个变量的影响。
3. 3.The coefficient of determination is used to quantify the amount of variance explained by a model.
   决定系数用于量化模型解释的变异量。