Name: Preparation, Exploration, and Visualization - Préparation des données
Uploaded: 2026-05-22T00:00:00Z
Description: Data preparation is fundamental: data scientists spend 80% of their time cleaning and manipulating data, and only 20% of their time actually analyzing it. This chapter will show you how to diagnose problems in your data, deal with missing values and outliers. You will then learn about visualization, another essential tool to both explore your data and convey your findings.