相关分析是数理統計方法的一种,不少书籍和文章已經做了介紹,它常被运用到伴生有益元素的評价工作中。但在这方面迄今所討論的范围多限于单相关分析的步驟和方法,較少提到单相关分析的局限性,也很少介紹偏相关分析的方法和必要性,而这些对于实际工作是很有意义的。本文根据在 Correlation analysis is a kind of mathematical statistics, many books and articles have been introduced, it is often used to evaluate the work associated with beneficial elements. However, the scope discussed so far in this area has been mostly limited to the steps and methods of single-correlation analysis. Rather than referring to the limitations of single-correlation analysis, the methods and the necessity of partial correlation analysis are seldom introduced, and these are very practical meaningful. This article is based on