"X = df.values[:, 0:2] # get input values from first two columns\n", "y = df.values[:, 2] # get output values from last coulmn\n", "* There are total 97 training ...

excerpt: "Given a covariance matrix and a mean vector, how do we generate random vectors from the corresponding Gaussian model?" You may have used `mvnrnd` in Matlab or `multivariate_normal` in NumPy.