PinnedAlexandre WarembourginTowards AIMachine Learning and Operations Research for Optimizing Assortment SizeExplore my journey in tackling a multi-objective constrained optimisation problem to achieve assortment reduction without losing customers…7 min read·Feb 21, 2024--1--1
PinnedAlexandre WarembourginTowards AIA Long-Term Demand Forecasting Model Implementation Case Study with a Major RetailerExplore how I developed a core demand forecasting algorithm for ten countries, dealing with an average product sales history of 11 months…·6 min read·Jan 8, 2024--2--2
PinnedAlexandre WarembourginTowards AIThe Endless Possibilities of Forecasting in Data ScienceDiscover the numerous methods available for forecasting in data science through practical examples·15 min read·Dec 15, 2023--1--1
Alexandre WarembourginTowards AICategorical Encoding for Time Series: Embracing Dynamic and Meaningful TechniquesLet’s move beyond static encoding methods and explore dynamic, meaningful techniques for high-cardinality categorical variables.·7 min read·Jan 8, 2024----
Alexandre WarembourginTowards Data SciencePromotion Forecasting: Case Study with a Retail GiantHow a demand forecasting algorithm led to an 18% reduction in out-of-stocks and shortages across national operations in just one year·7 min read·Dec 30, 2023--3--3
Alexandre WarembourginTowards AIIntroduction to Nixtla for Demand Forecasting.Through the M5 Demand Forecasting Competition, learn how to use the Nixtla forecasting package.·12 min read·Dec 13, 2023--1--1
Alexandre WarembourginTowards Data ScienceTutorial on code parametrization : parameters your code with argparse on pysparkCreate your own command line argument with argparse and parametrize a run of prophet forecast model·4 min read·Sep 8, 2020----
Alexandre WarembourginTowards Data SciencePyspark — forecasting with Pandas UDF and fb-prophetForecast several time series at once with prophet and pandas UDF without looping.·4 min read·Jan 16, 2020--3--3
Alexandre WarembourginTowards Data ScienceAn overview of several recommendation systemsCollaborative filtering, KNN, In-depth learning, transfer learning, Tfidf…ect explore all of these·8 min read·Nov 25, 2019--1--1
Alexandre WarembourginTowards Data SciencePyspark – Demand forecasting data science projectA full guide for your data science project from preprocessing to modeling·7 min read·Oct 23, 2019--1--1