Lesson 1 One-hot Encoding   Let’s predict the grade of this…

Lesson 1 One-hot Encoding   Let’s predict the grade of this course using the following features:   – Class section (categorical): 4745, 6745-Q, or 6745-AQ – Midterm score (numerical): 0-100 – Project group (categorical): Group 1, 2, 3, 4, 5, 6, 7, and 8 – Final exam score (numerical): 0-100   After applying one-hot encoding to all categorical features, the total number of features will be