All seven topics
Browse by decision question. Each topic page has the same structure: what the decision is, why it matters, key concepts, slides, activity, data, and optional further resources.
DECISION 1
"What's the real problem?"
Data Preparation & EDA
Weeks 2–3
DECISION 2
"How much?"
Linear & Multiple Regression
Week 4
DECISION 3
"Keep or let go?"
Logistic Regression, Decision Trees, Random Forests
Weeks 5–7, 9
DECISION 4
"Who are they?"
K-Means & Hierarchical Clustering
Week 10
DECISION 5
"What's unusual?"
Anomaly Detection & Market Basket
Week 11
DECISION 6
"What are they saying?"
Text Analytics & Sentiment
Week 14
DECISION 7
"What's next?"
Time Series Forecasting
Week 15