Computes the value of the distribution function of the doubly noncentral t-distribution at x.
doublyT(x, df, lambda1, lambda2, lb = 0, ub)Distribution value of the doubly noncentral t-distribution at x.
a variable x.
degrees of freedom (i.a. N-2).
lower bound for the starting value of the poisson distribution.
upper bound for the last value of the poisson distribution.