Scénarios Métiers

Contexte :
A large e-commerce platform analyzes user sessions to predict the number of items purchased. Since 95% of browsing sessions result in zero purchases, a Zero-Inflated Negative Binomial (ZINB) model ...

Contexte :
A manufacturing plant tracks defects per batch. However, sensors often fail, leading to missing values (NULLs) in the temperature and pressure readings. The team wants to use LASSO selection to fin...

Contexte :
A retail bank is building a new credit scoring model. Before training predictive models, the data science team needs to identify highly correlated variables (multicollinearity) among customer finan...

Contexte :
A manufacturing plant monitors heavy machinery using IoT sensors. They have a massive dataset of telemetry readings. The engineering team wants to isolate a specific critical component (Main Engine...

Contexte :
A pharmaceutical company is conducting a clinical trial analysis. The dataset contains patient vitals and drug response rates. However, the data is 'dirty': some patients dropped out (missing value...