Data science Nigeria Hackathons
# DSN_Expresso_Churn
This repository contains the 4th position solution for the Pre-Bootcamp hackathon organised by Data Science Nigeria (DSN) on Zindi, from 8 August—22 August, 2020.
(link to hackathon:
zindi.africa).
### Aim:
To help Expresso to better serve their customers by understanding which customers are at risk of leaving.
### Objective:
To develop a predictive model that determines the likelihood for a customer to churn - to stop purchasing airtime and data from Expresso
### Packages
Scikit learn
Pandas
Numpy
Matplotlib
Catboost
Lightgbm
Seaborn
### Evaluation:
Logloss
### Private LB score:
0.246701956963814
#### Models
The solution was built on two models - Catboost and lightgbm, and a weighted average of them, with the averaged model achieving a good performance on the private leaderboard.