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Thread: Probability Weighted Moments

  1. October 6th 2008, 07:10 AM #1
    wantanswers
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    Probability Weighted Moments

    Need Help Finding The First 4 PWM of the generalized normal distribution

    f(x)= <br /> \frac{1}{\alpha\sqrt{2\pi}}e^{ky-\frac{y^2}{2}} <br /> <br />

    where
    <br /> y= -k^{-1}log(1-k(x-\epsilon)/\alpha)<br />
    <br /> \epsilon+\frac{\alpha}{k}<x< \infty<br />
    F(x)= <br /> \int^{y}_{-\infty} e^{\frac{-t^2}{2}}~dt<br />
    Last edited by wantanswers; October 6th 2008 at 07:47 AM.
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