文件名称:Pearson-correlation
- 所属分类:
- JSP源码/Java
- 资源属性:
- [Java] [源码]
- 上传时间:
- 2015-04-27
- 文件大小:
- 8kb
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- y*
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在统计学中,皮尔逊积矩相关系数(英语:Pearson product-moment correlation coefficient,又称作 PPMCC或PCCs[1], 文章中常用r或Pearson s r表示)用于度量两个变量X和Y之间的相关(线性相关),其值介于-1与1之间。在自然科学领域中,该系数广泛用于度量两个变量之间的相关程度。它是由卡尔·皮尔逊从弗朗西斯·高尔顿在19世纪80年代提出的一个相似却又稍有不同的想法演变而来的。这个相关系数也称作“皮尔森相关系数r”。-In statistics, Pearson product-moment correlation coefficient (English: Pearson product-moment correlation coefficient, also known PPMCC or PCCs [1], the article used or Pearson s r r representation) is a measure of the two variables X and Y between correlation (linear correlation), a value between-1 and 1. In the natural sciences, the coefficient is widely used to measure the degree of correlation between the two variables. It is made a similar Karl Pearson Francis Galton in the 1880s but made a slightly different idea evolved. The correlation coefficient is also called Pearson s correlation coefficient r .
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Pearson correlation\.classpath
...................\.project
...................\.settings\org.eclipse.jdt.core.prefs
...................\bin\Similarity.class
...................\data1.txt
...................\data2.txt
...................\src\Similarity.java
...................\.settings
...................\bin
...................\src
Pearson correlation