Welch's t-test: Difference between revisions

Content added Content deleted

Inline

@@ Line 28: / Line 28: @@
 <math>
- \Beta(x,y) = \frac{x+y}{x y} \prod_{n=1}^\infty \left( 1+ \dfrac{x y}{n (x+y+n)}\right)^{-1}=\dfrac{\Gamma(x)\,\Gamma(y)}{\Gamma(x+y)}
+ \Beta(x,y) = \dfrac{\Gamma(x)\,\Gamma(y)}{\Gamma(x+y)} =  \exp((\ln(\Gamma(x)) + \ln(\Gamma(y))) - \ln(\Gamma(x+y)))
 \!</math>