Switching from Beta to Dirichlet

py.py

hypotheses = [[.8, .2], 
              [.5,.5], 
              [.2,.8]]
# Notice how we swapped out the Beta for
# a Dirichlet. The only difference is we
# now pass a list of counts to the pdf
# function. We'll get to why in a bit.
pdf_score = np.array([ss.dirichlet.pdf(hypothesis, [1+1+2, 1+5+3]) for hypothesis in hypotheses])
probabilities = pdf_score/pdf_score.sum()

print(list(zip(hypotheses, probabilities)))