scipy.special.btdtr¶

scipy.special.btdtr(a, b, x) = <ufunc 'btdtr'>¶

Cumulative beta distribution.

Returns the area from zero to x under the beta density function:

gamma(a+b)/(gamma(a)*gamma(b)))*integral(t**(a-1) (1-t)**(b-1), t=0..x)