import numpy as np
from rpy2.robjects.packages import importr
import rpy2.robjects as robjects

r = robjects.r #allows access to r object with r.

bcp = importr('bcp') #import bayesian change point package in python

values = bcp.bcp( r.c( r.rnorm(50) , r.rnorm(50,5,1), r.rnorm(50) ) ) #use bcp function on vector

posterior_means = np.array(values[5]).flatten()
posterior_probability = np.array(values[7]).flatten()