Module 03
Math for data science
Vectors, matrices and the linear transformations underneath every model you will train — worked in NumPy rather than on paper.
Free · Data Science Essentials
Outcome
What you will be able to do
You can reason about data as vectors and matrices, and implement the operations models rely on with NumPy.
Lessons
Work through these in order
Assessment
Module quiz — 70% to pass
6 questions mixing concept checks and short code-output problems. Graded on the server with per-question explanations afterwards, unlimited retakes, and a badge with a verification code the moment you pass.