In this assignment, we will implement a number of linear models (including linear regression) to model relationships between different clinical features for heart failure in patients. For the dataset, we use "heart failure clinical records data set at UCI: https://archive.ics.uci.edu/ml/datasets/Heart failure clinical records Dataset Description: From the website: "This dataset contains the medical records of 299 patients who had heart failure, collected during their follow-up period, where each patient profile has 13 clinical features." These 13 features are