\(\normalsize Inverse-chi-square\ distribution\ \frac{1}{X^2}(x,\nu)\\
(1) probability\ density\\
\hspace{30px}f(x,\nu)={\large\frac{x^{-\frac{\nu}{2}-1}e^{-\frac{1}{2\small x}}}{2^{\frac{\nu}{2}}\Gamma(\frac{\nu}{2})}}\\
(2) lower\ cumulative\ distribution\\
\hspace{30px}P(x,\nu)={\large\int_{\small 0}^{\small x}}f(t,\nu)dt\\
(3) upper\ cumulative\ distribution\\
\hspace{30px}Q(x,\nu)={\large\int_{\small x}^{\small\infty}}f(t,\nu)dt\\
\) |
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ゲストさん
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