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#1 2011-07-18 20:57:02
- George,Y
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- Registered: 2006-03-12
- Posts: 1,379
Gamma Distribution and Poisson Process
It is said that a Gamma Distribution of n degrees of freedom is the probability density of time t when nth Poisson occurrence takes place. And each new occurrence follows the exponential distribution.
E.g. Gamma Distribution of 2 may describe the probability of time length between the first accident and the third accident at a traffic cross.
Can anyone prove this???
X'(y-Xβ)=0
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