Lesson learned

1. Exploratory Data Analysis

• Import, clean and validate
• Visualize distributions
• Explore relationships between variables
• Explore multivariate relationships

2. CDF, PMF and KDE

• Use CDFs for exploration.
• Use PMFs if there are a small number of unique values.
• Use KDE if ther are a lot of values.

** CDF, PMF, KDE 용어 다시 공부