Potier's coefficient of equivalence

例句：

1. 1. The Potier coefficient is used to measure the similarity between two sets of data.
   Potier系数用于衡量两个数据集之间的相似度。
2. 2. The Potier coefficient is a useful tool for comparing different types of data.
   Potier系数是一种有用的工具，用于比较不同类型的数据。
3. 3. The Potier coefficient has been shown to be effective in improving the accuracy of machine learning algorithms.
   研究表明，Potier系数在提高机器学习算法的准确性方面是有效的。