名词
中文翻译:方差协方差矩阵
同义词:
['covariance matrix', 'variance matrix例句:1. In statistics', 'the variance-covariance matrix is used to describe the relationship between variables.(在统计学中,方差协方差矩阵用于描述变量之间的关系。)2. The variance-covariance matrix helps us understand how different variables are related.(方差协方差矩阵帮助我们了解不同变量之间的关系。)3. To calculate the variance-covariance matrix', 'we need to know the mean and standard deviation of each variable.(要计算方差协方差矩阵,我们需要知道每个变量的均值和标准差。)']
例句:
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1. In statistics, the variance-covariance matrix is used to describe the relationship between variables.
在统计学中,方差协方差矩阵用于描述变量之间的关系。
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2. The variance-covariance matrix helps us understand how different variables are related.
方差协方差矩阵帮助我们了解不同变量之间的关系。
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3. To calculate the variance-covariance matrix, we need to know the mean and standard deviation of each variable.
要计算方差协方差矩阵,我们需要知道每个变量的均值和标准差。