Machine Learning, Linear Regression, Data Science, Artificial Intelligence.
given by: where: Solving for the coefficient at coordinate i, we get the soft thresholding operator: where z_i is given by: def fit_elastic_net_regressor(x, y, reg_lambda, reg_ratio, include_bias=True, n_iter=50): # Random initialization betas = np.random.uniform(size=x.shape[1]) # Coordinate