/Hackathon-X-Carrefour-2020

Description of the Carrefour Next Gen RetAIL Challenge organized by Ecole Polytechnique and Carrefour. My team and I got the 1st rank in this 2-months hackathon.

2nd Artificial Intelligence & Data Science Challenge

organised by the Ecole Polytechnique and the Carrefour DataLab (2nd Hackathon of the Next Gen RetAIl Carrefour Chaire)

Context

This hackathon has been organised by the 1st French Retailer Carrefour (9th worldwide) and Ecole Polytechnique, which is a school from the Institut Polytechnique de Paris (IP Paris) (a public higher education and research institution that brings together five prestigious French engineering schools).

More details about IP Paris here.

The objective of this challenge was to understand an end-to-end data science project, from the exact definition of the problem, through cleaning and data processing phase, implementation of machine learning algorithms, to get a functional proof of concept.

More details about the hackathon here.

The theme we have been working on from the three proposed :

Local Marketing Mix Modeling
Analysis, prediction of the impact of marketing media, levers on offline and online sales.

Key figures

  • Duration : 10 weeks of competition from 3rd February to 8th April (*Delayed closing event (coronavirus)).
  • Participants : 132 students spread across 26 Teams, with 4 to 6 members in each team.
  • Data : 30 Datasets with 20 KPI.
  • Environment : GCP's Virtual Machines, BigQuery and Python.

Results

🏆 First rank 🏆

Main stages

  • Update 0 - 03.02.2020 : Beginning of the Hackathon 🏁
  • Update 1 - 21.02.2020 : Vapnik Lovers is one of the 12 selected teams out of 26 for the second round.
  • Update 2 - 05.03.2020 : Vapnik Lovers selected for the final round of the Hackathon.

    • Score and Ranking Board for the technical evaluation (second round)

  • Update 3 - 05.03.2020 : Closing day postponed from Saturday 7th March to Thursday 12th March 2020.
  • Update 4 - 17.03.2020 : Vapnik Lovers received the best score for the technical evaluation (2nd round).
  • Update 5 - 08.04.2020 : Final business pitch in front of Carrefour's Executive boards for the 6 best teams.
  • Update 6 - 14.04.2020 : Winner Announcement.
Award Finalists and Winner Announcement

Presentation of our team

THE VAPNIK LOVERS 🚀

All the members are students of the Post-Master's Degree in Big Data (Promotion 2019-2020) at Telecom Paris (an IP Paris school).

Full curriculum and details of our degree here.

Team members :

Name Github
Camille COCHENER camillecochener
Jérémie PERES jeremieperes
Vincent RICHARD vincrichard
Thomas RIVIERE t-riviere
Léa WU lilawu
Hiroto YAMAKAWA yamhiroto

Note : as agreed with Carrefour, data and notebooks won't be published in this repository.

They talked about us