| 关于随机变量相关性的几个问题 |
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| 引用本文： | 刘珍儒,刘群生.关于随机变量相关性的几个问题[J].山东理工大学学报,1994(2). |
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| 作者姓名： | 刘珍儒 刘群生 |
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| 作者单位： | 山东工程学院基础部(刘珍儒)，陕西渭南教育学院(刘群生) |
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| 摘 要： | 本文主要研究了两随机变量“函数相关”和“相互独立”的充要条件;揭示了相关系数的几何意义;得到了对多元非线性回归函数拟合检验的一种新方法——频率拟合检验法。
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| 关 键 词： | 相关系数 函数相关 频率拟和检验法 |
A Study on the Correlativity of Random Variables |
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| Liu Zhenru Liu Qunsheng.A Study on the Correlativity of Random Variables[J].Journal of Shandong University of Technology:Science and Technology,1994(2). |
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| Authors: | Liu Zhenru Liu Qunsheng |
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| Institution: | Liu Zhenru Liu Qunsheng(Department of Basic Courses) (Shannxi Wcinan Education Instiutte ) |
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| Abstract: | This paper deals with the necessary and sufficient conditions of functional correlation and mutual independence for two random variables, brings to light the geometric meaning of the correlation coefficient, and obtains the new method-freq-uency fitting check approach for fitting check the multivariable nonlinear regression function. |
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| Keywords: | Correlation coefficient Functional correlation frequency fitting check method |
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