choose_w

class choose_w(probs, n, unique=True)

Choose n items (e.g. people), each with a probability from the distribution probs.

Parameters:

• probs (array) – list of probabilities, should sum to 1

• n (int) – number of samples to choose

• unique (bool) – whether or not to ensure unique indices

Example:

choices = cv.choose_w([0.2, 0.5, 0.1, 0.1, 0.1], 2) # choose 2 out of 5 people with nonequal probability.