Download the csv files zipcode_train.csv and zipcode_test.csv. Load and visualize the files using the following command lines. In the dataset, you have 1736 training images and 462 test images, where each image is a handwritten digit, and it can be either 1 or 2. The description of columns is below. . p1-256: the gray scale from -1 to 1. . Y: the digit, which is either 1 or 2. (a) Perform logistic regression, LDA, and KNN models. (b) Using the test.dat, which of these methods appears to provide the best results on the test data? train.dat