Week 8: Exploratory Data Analysis
Official Topic
Exploratory data analysis.
Problem Focus
How do we generate useful questions from data without fooling ourselves?
Students use variation, covariation, visualization, and transformation to discover patterns and data-quality problems.
In Class
- Separate variable types.
- Visualize distributions.
- Investigate relationships between variables.
- Record questions, findings, and doubts.
AI-Aware Task
Ask an LLM to summarize a plot. Decide whether it overclaims, ignores uncertainty, or misses data-quality issues.