Guided curriculum
Your learning journey
Follow all seven stages in order, or use your latest knowledge check to start at a focused recommendation. Nothing is locked.
Current recommendation
Linear equations stay balanced
Mathematical language · 10 min
Mathematical language
0/9Build the algebra, vectors, matrices, and calculus used throughout data science.
- Linear equations stay balanced 10 min · introNext
- Functions are machines 11 min · intro
- Slope measures change 12 min · intro
- Exponents, logs & growth 13 min · intro
- Dot product, norms, and similarity 10 min · core
- Matrices transform space 8 min · intro
- Derivatives: change right now 14 min · intro
- Integrals accumulate 14 min · intro
- Series, approximation & Big-O 15 min · intro
Linear algebra decompositions
0/3Understand the structure behind dimensionality reduction and representation learning.
Probability and statistical inference
0/10Learn how uncertainty, estimation, testing, and experiments fit together.
- Common distributions 12 min · core
- Bayes' theorem 10 min · core
- Maximum likelihood estimation 11 min · core
- CLT and sampling distributions 10 min · core
- Confidence intervals 9 min · core
- Hypothesis testing and p-values 12 min · core
- Bootstrap and resampling 10 min · core
- Correlation vs causation 11 min · core
- Experiment design and power 12 min · core
- A/B testing pitfalls 12 min · advanced
Machine-learning foundations
0/9Connect preprocessing, linear models, generalization, and evaluation.
- Feature scaling and preprocessing 8 min · intro
- Linear regression 12 min · core
- Logistic regression 11 min · core
- Classification metrics 11 min · core
- Bias-variance tradeoff 12 min · core
- Overfitting and generalization 9 min · core
- L1 and L2 regularization 11 min · core
- Cross-validation 9 min · core
- Class imbalance 10 min · core
Model families
0/5Compare the major supervised and unsupervised approaches and when to use them.
Deep-learning foundations
0/6Follow information and gradients through a neural network before adding architectures.
Modern deep learning
0/6Progress from learned representations to attention, transformers, and transfer learning.