Guided Notes
Correlations
Measuring relationships between columns with corr(), reading correlation values, and their limits.
What is correlation?
Slide 1 / 5Correlation measures how strongly two numeric columns move together.
• If one rises when the other rises, they're positively correlated — workout duration and calories burned. • If one falls when the other rises, they're negatively correlated — price and units sold. • If there's no pattern, they're uncorrelated.
Finding correlations is often the first step in understanding what drives a result.