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Moments of Discrete Probability Distributions Derived Using Finite Difference Operators

 

作者: RobertF. Link,  

 

期刊: The American Statistician  （Taylor Available online 1981）
卷期: Volume 35, issue 1  

页码: 44-46

 

ISSN:0003-1305

 

年代: 1981

 

DOI:10.1080/00031305.1981.10479303

 

出版商: Taylor & Francis Group

 

关键词: Discrete distributions;Finite differences;Moments;Operators

 

数据来源: Taylor

 

摘要:

Formulas for the moments of the better known probability distribution functions are available in the literature on the subject. Persons wishing to derive these formulas, however, may find standard methods to be quite laborious. For discrete probability functions, surprisingly compact and elegant derivations may be obtained by using finite difference operators. Examples of this approach are presented.

 

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