PGF and Factorial Moments
$$G_X^{(r)}(1)=E[X(X-1)\cdots(X-r+1)]$$
Usage
- Used to calculate factorial moments.
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PGF and Factorial Moments
PGF and Factorial Moments
$$G_X^{(r)}(1)=E[X(X-1)\cdots(X-r+1)]$$
Usage
- Used to calculate factorial moments.
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