名词
中文翻译：系数
同义词：
['factor', 'ratio', 'coefficient of determination']
例句：
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1. The relationshipbetween the two variables is described by a coefficient.
两个变量之间的关系由一个系数描述。
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2.The coefficient of determination measures the proportion of variance explained by the model.
决定系数衡量模型解释的变异比例。
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3. In statistics, the coefficient of correlation is used to measure the strength of the relationship between two variables.
在统计学中，相关系数用于衡量两个变量之间的关联强度。